Home / 8,427.92-12,614.54-4,720.95

Finding the Fourth Proportional to 8,427.92, 12,614.54 and 4,720.95

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Solution

The fourth proportional to 8,427.92, 12,614.54 and 4,720.95 is: 7,066.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,427.92 : 12,614.54 = 4,720.95 : x
  2. Step 2: Convert to fraction form
    8,427.92/12,614.54 = 4,720.95/x
  3. Step 3: Cross multiply
    8,427.92x = 12,614.54 × 4,720.95
  4. Step 4: Simplify right side
    8,427.92x = 59,552,589.01
  5. Step 5: Solve for x
    x = 59,552,589.01/8,427.92
  6. Step 6: Final answer
    x = 7,066.11

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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.