Home / 9,057.30-13,579.20-4,677.90

Finding the Fourth Proportional to 9,057.30, 13,579.20 and 4,677.90

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Solution

The fourth proportional to 9,057.30, 13,579.20 and 4,677.90 is: 7,013.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,057.30 : 13,579.20 = 4,677.90 : x
  2. Step 2: Convert to fraction form
    9,057.30/13,579.20 = 4,677.90/x
  3. Step 3: Cross multiply
    9,057.30x = 13,579.20 × 4,677.90
  4. Step 4: Simplify right side
    9,057.30x = 63,522,139.68
  5. Step 5: Solve for x
    x = 63,522,139.68/9,057.30
  6. Step 6: Final answer
    x = 7,013.36

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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.