Home / 9,001.40-13,508.94-3,162.92

Finding the Fourth Proportional to 9,001.40, 13,508.94 and 3,162.92

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Solution

The fourth proportional to 9,001.40, 13,508.94 and 3,162.92 is: 4,746.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,001.40 : 13,508.94 = 3,162.92 : x
  2. Step 2: Convert to fraction form
    9,001.40/13,508.94 = 3,162.92/x
  3. Step 3: Cross multiply
    9,001.40x = 13,508.94 × 3,162.92
  4. Step 4: Simplify right side
    9,001.40x = 42,727,696.50
  5. Step 5: Solve for x
    x = 42,727,696.50/9,001.40
  6. Step 6: Final answer
    x = 4,746.78

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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.