Home / 8,750.27-13,124.45-3,126.74

Finding the Fourth Proportional to 8,750.27, 13,124.45 and 3,126.74

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Solution

The fourth proportional to 8,750.27, 13,124.45 and 3,126.74 is: 4,689.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,750.27 : 13,124.45 = 3,126.74 : x
  2. Step 2: Convert to fraction form
    8,750.27/13,124.45 = 3,126.74/x
  3. Step 3: Cross multiply
    8,750.27x = 13,124.45 × 3,126.74
  4. Step 4: Simplify right side
    8,750.27x = 41,036,727.16
  5. Step 5: Solve for x
    x = 41,036,727.16/8,750.27
  6. Step 6: Final answer
    x = 4,689.77

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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.