Home / 8,345.79-12,517.09-2,502.39

Finding the Fourth Proportional to 8,345.79, 12,517.09 and 2,502.39

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Solution

The fourth proportional to 8,345.79, 12,517.09 and 2,502.39 is: 3,753.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,345.79 : 12,517.09 = 2,502.39 : x
  2. Step 2: Convert to fraction form
    8,345.79/12,517.09 = 2,502.39/x
  3. Step 3: Cross multiply
    8,345.79x = 12,517.09 × 2,502.39
  4. Step 4: Simplify right side
    8,345.79x = 31,322,681.53
  5. Step 5: Solve for x
    x = 31,322,681.53/8,345.79
  6. Step 6: Final answer
    x = 3,753.11

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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.