Home / 6,397.06-9,587.52-3,428.14

Finding the Fourth Proportional to 6,397.06, 9,587.52 and 3,428.14

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Solution

The fourth proportional to 6,397.06, 9,587.52 and 3,428.14 is: 5,137.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,397.06 : 9,587.52 = 3,428.14 : x
  2. Step 2: Convert to fraction form
    6,397.06/9,587.52 = 3,428.14/x
  3. Step 3: Cross multiply
    6,397.06x = 9,587.52 × 3,428.14
  4. Step 4: Simplify right side
    6,397.06x = 32,867,295.73
  5. Step 5: Solve for x
    x = 32,867,295.73/6,397.06
  6. Step 6: Final answer
    x = 5,137.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.