Home / 5,104.20-7,656.30-4,229.40

Finding the Fourth Proportional to 5,104.20, 7,656.30 and 4,229.40

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Solution

The fourth proportional to 5,104.20, 7,656.30 and 4,229.40 is: 6,344.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,104.20 : 7,656.30 = 4,229.40 : x
  2. Step 2: Convert to fraction form
    5,104.20/7,656.30 = 4,229.40/x
  3. Step 3: Cross multiply
    5,104.20x = 7,656.30 × 4,229.40
  4. Step 4: Simplify right side
    5,104.20x = 32,381,555.22
  5. Step 5: Solve for x
    x = 32,381,555.22/5,104.20
  6. Step 6: Final answer
    x = 6,344.10

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.