Home / 8,217.24-11,340.23-4,679.76

Finding the Fourth Proportional to 8,217.24, 11,340.23 and 4,679.76

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Solution

The fourth proportional to 8,217.24, 11,340.23 and 4,679.76 is: 6,458.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,217.24 : 11,340.23 = 4,679.76 : x
  2. Step 2: Convert to fraction form
    8,217.24/11,340.23 = 4,679.76/x
  3. Step 3: Cross multiply
    8,217.24x = 11,340.23 × 4,679.76
  4. Step 4: Simplify right side
    8,217.24x = 53,069,554.74
  5. Step 5: Solve for x
    x = 53,069,554.74/8,217.24
  6. Step 6: Final answer
    x = 6,458.32

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Half scale
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Double scale
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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.