Home / 9,129.08-13,690.02-3,204.20

Finding the Fourth Proportional to 9,129.08, 13,690.02 and 3,204.20

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Solution

The fourth proportional to 9,129.08, 13,690.02 and 3,204.20 is: 4,805.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,129.08 : 13,690.02 = 3,204.20 : x
  2. Step 2: Convert to fraction form
    9,129.08/13,690.02 = 3,204.20/x
  3. Step 3: Cross multiply
    9,129.08x = 13,690.02 × 3,204.20
  4. Step 4: Simplify right side
    9,129.08x = 43,865,562.08
  5. Step 5: Solve for x
    x = 43,865,562.08/9,129.08
  6. Step 6: Final answer
    x = 4,805.04

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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.