Home / 7,187.68-10,781.83-2,508.16

Finding the Fourth Proportional to 7,187.68, 10,781.83 and 2,508.16

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Solution

The fourth proportional to 7,187.68, 10,781.83 and 2,508.16 is: 3,762.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,187.68 : 10,781.83 = 2,508.16 : x
  2. Step 2: Convert to fraction form
    7,187.68/10,781.83 = 2,508.16/x
  3. Step 3: Cross multiply
    7,187.68x = 10,781.83 × 2,508.16
  4. Step 4: Simplify right side
    7,187.68x = 27,042,554.73
  5. Step 5: Solve for x
    x = 27,042,554.73/7,187.68
  6. Step 6: Final answer
    x = 3,762.35

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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.