Home / 8,280.77-12,421.15-2,436.92

Finding the Fourth Proportional to 8,280.77, 12,421.15 and 2,436.92

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Solution

The fourth proportional to 8,280.77, 12,421.15 and 2,436.92 is: 3,655.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,280.77 : 12,421.15 = 2,436.92 : x
  2. Step 2: Convert to fraction form
    8,280.77/12,421.15 = 2,436.92/x
  3. Step 3: Cross multiply
    8,280.77x = 12,421.15 × 2,436.92
  4. Step 4: Simplify right side
    8,280.77x = 30,269,348.86
  5. Step 5: Solve for x
    x = 30,269,348.86/8,280.77
  6. Step 6: Final answer
    x = 3,655.38

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Similar ratio
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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.