Home / 8,340.24-11,505.48-5,508.72

Finding the Fourth Proportional to 8,340.24, 11,505.48 and 5,508.72

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Solution

The fourth proportional to 8,340.24, 11,505.48 and 5,508.72 is: 7,599.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,340.24 : 11,505.48 = 5,508.72 : x
  2. Step 2: Convert to fraction form
    8,340.24/11,505.48 = 5,508.72/x
  3. Step 3: Cross multiply
    8,340.24x = 11,505.48 × 5,508.72
  4. Step 4: Simplify right side
    8,340.24x = 63,380,467.79
  5. Step 5: Solve for x
    x = 63,380,467.79/8,340.24
  6. Step 6: Final answer
    x = 7,599.36

Related Problems

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Half scale
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Double scale
Find fourth proportional to 8,341.24, 11,506.86 and 5,509.72
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.