Home / 8,371.04-12,543.24-4,422.16

Finding the Fourth Proportional to 8,371.04, 12,543.24 and 4,422.16

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Solution

The fourth proportional to 8,371.04, 12,543.24 and 4,422.16 is: 6,626.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,371.04 : 12,543.24 = 4,422.16 : x
  2. Step 2: Convert to fraction form
    8,371.04/12,543.24 = 4,422.16/x
  3. Step 3: Cross multiply
    8,371.04x = 12,543.24 × 4,422.16
  4. Step 4: Simplify right side
    8,371.04x = 55,468,214.20
  5. Step 5: Solve for x
    x = 55,468,214.20/8,371.04
  6. Step 6: Final answer
    x = 6,626.20

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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.