Home / 8,476.92-12,720.36-3,546.18

Finding the Fourth Proportional to 8,476.92, 12,720.36 and 3,546.18

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Solution

The fourth proportional to 8,476.92, 12,720.36 and 3,546.18 is: 5,321.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,476.92 : 12,720.36 = 3,546.18 : x
  2. Step 2: Convert to fraction form
    8,476.92/12,720.36 = 3,546.18/x
  3. Step 3: Cross multiply
    8,476.92x = 12,720.36 × 3,546.18
  4. Step 4: Simplify right side
    8,476.92x = 45,108,686.22
  5. Step 5: Solve for x
    x = 45,108,686.22/8,476.92
  6. Step 6: Final answer
    x = 5,321.35

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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.