Home / 8,528.38-11,761.45-6,712.18

Finding the Fourth Proportional to 8,528.38, 11,761.45 and 6,712.18

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Solution

The fourth proportional to 8,528.38, 11,761.45 and 6,712.18 is: 9,256.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,528.38 : 11,761.45 = 6,712.18 : x
  2. Step 2: Convert to fraction form
    8,528.38/11,761.45 = 6,712.18/x
  3. Step 3: Cross multiply
    8,528.38x = 11,761.45 × 6,712.18
  4. Step 4: Simplify right side
    8,528.38x = 78,944,969.46
  5. Step 5: Solve for x
    x = 78,944,969.46/8,528.38
  6. Step 6: Final answer
    x = 9,256.74

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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.