Home / 8,318.35-11,476.57-5,487.13

Finding the Fourth Proportional to 8,318.35, 11,476.57 and 5,487.13

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Solution

The fourth proportional to 8,318.35, 11,476.57 and 5,487.13 is: 7,570.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,318.35 : 11,476.57 = 5,487.13 : x
  2. Step 2: Convert to fraction form
    8,318.35/11,476.57 = 5,487.13/x
  3. Step 3: Cross multiply
    8,318.35x = 11,476.57 × 5,487.13
  4. Step 4: Simplify right side
    8,318.35x = 62,973,442.46
  5. Step 5: Solve for x
    x = 62,973,442.46/8,318.35
  6. Step 6: Final answer
    x = 7,570.42

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Half 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.