Home / 8,456.74-11,666.72-5,663.14

Finding the Fourth Proportional to 8,456.74, 11,666.72 and 5,663.14

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Solution

The fourth proportional to 8,456.74, 11,666.72 and 5,663.14 is: 7,812.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,456.74 : 11,666.72 = 5,663.14 : x
  2. Step 2: Convert to fraction form
    8,456.74/11,666.72 = 5,663.14/x
  3. Step 3: Cross multiply
    8,456.74x = 11,666.72 × 5,663.14
  4. Step 4: Simplify right side
    8,456.74x = 66,070,268.70
  5. Step 5: Solve for x
    x = 66,070,268.70/8,456.74
  6. Step 6: Final answer
    x = 7,812.74

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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.