Home / 8,422.18-12,617.10-4,713.17

Finding the Fourth Proportional to 8,422.18, 12,617.10 and 4,713.17

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Solution

The fourth proportional to 8,422.18, 12,617.10 and 4,713.17 is: 7,060.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,422.18 : 12,617.10 = 4,713.17 : x
  2. Step 2: Convert to fraction form
    8,422.18/12,617.10 = 4,713.17/x
  3. Step 3: Cross multiply
    8,422.18x = 12,617.10 × 4,713.17
  4. Step 4: Simplify right side
    8,422.18x = 59,466,537.21
  5. Step 5: Solve for x
    x = 59,466,537.21/8,422.18
  6. Step 6: Final answer
    x = 7,060.71

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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.