Home / 8,417.12-11,615.15-5,059.31

Finding the Fourth Proportional to 8,417.12, 11,615.15 and 5,059.31

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Solution

The fourth proportional to 8,417.12, 11,615.15 and 5,059.31 is: 6,981.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,417.12 : 11,615.15 = 5,059.31 : x
  2. Step 2: Convert to fraction form
    8,417.12/11,615.15 = 5,059.31/x
  3. Step 3: Cross multiply
    8,417.12x = 11,615.15 × 5,059.31
  4. Step 4: Simplify right side
    8,417.12x = 58,764,561.17
  5. Step 5: Solve for x
    x = 58,764,561.17/8,417.12
  6. Step 6: Final answer
    x = 6,981.56

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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.