Home / 5,519.49-8,280.78-2,234.88

Finding the Fourth Proportional to 5,519.49, 8,280.78 and 2,234.88

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Solution

The fourth proportional to 5,519.49, 8,280.78 and 2,234.88 is: 3,352.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,519.49 : 8,280.78 = 2,234.88 : x
  2. Step 2: Convert to fraction form
    5,519.49/8,280.78 = 2,234.88/x
  3. Step 3: Cross multiply
    5,519.49x = 8,280.78 × 2,234.88
  4. Step 4: Simplify right side
    5,519.49x = 18,506,549.61
  5. Step 5: Solve for x
    x = 18,506,549.61/5,519.49
  6. Step 6: Final answer
    x = 3,352.95

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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.