Home / 8,593.54-12,888.18-6,280.78

Finding the Fourth Proportional to 8,593.54, 12,888.18 and 6,280.78

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Solution

The fourth proportional to 8,593.54, 12,888.18 and 6,280.78 is: 9,419.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,593.54 : 12,888.18 = 6,280.78 : x
  2. Step 2: Convert to fraction form
    8,593.54/12,888.18 = 6,280.78/x
  3. Step 3: Cross multiply
    8,593.54x = 12,888.18 × 6,280.78
  4. Step 4: Simplify right side
    8,593.54x = 80,947,823.18
  5. Step 5: Solve for x
    x = 80,947,823.18/8,593.54
  6. Step 6: Final answer
    x = 9,419.61

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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.