Home / 8,170.36-11,275.93-4,814.22

Finding the Fourth Proportional to 8,170.36, 11,275.93 and 4,814.22

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Solution

The fourth proportional to 8,170.36, 11,275.93 and 4,814.22 is: 6,644.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,170.36 : 11,275.93 = 4,814.22 : x
  2. Step 2: Convert to fraction form
    8,170.36/11,275.93 = 4,814.22/x
  3. Step 3: Cross multiply
    8,170.36x = 11,275.93 × 4,814.22
  4. Step 4: Simplify right side
    8,170.36x = 54,284,807.72
  5. Step 5: Solve for x
    x = 54,284,807.72/8,170.36
  6. Step 6: Final answer
    x = 6,644.11

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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.