Home / 8,436.57-12,652.65-2,511.86

Finding the Fourth Proportional to 8,436.57, 12,652.65 and 2,511.86

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Solution

The fourth proportional to 8,436.57, 12,652.65 and 2,511.86 is: 3,767.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,436.57 : 12,652.65 = 2,511.86 : x
  2. Step 2: Convert to fraction form
    8,436.57/12,652.65 = 2,511.86/x
  3. Step 3: Cross multiply
    8,436.57x = 12,652.65 × 2,511.86
  4. Step 4: Simplify right side
    8,436.57x = 31,781,622.17
  5. Step 5: Solve for x
    x = 31,781,622.17/8,436.57
  6. Step 6: Final answer
    x = 3,767.13

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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.