Home / 3,132.13-4,707.30-3,113.90

Finding the Fourth Proportional to 3,132.13, 4,707.30 and 3,113.90

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Solution

The fourth proportional to 3,132.13, 4,707.30 and 3,113.90 is: 4,679.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,132.13 : 4,707.30 = 3,113.90 : x
  2. Step 2: Convert to fraction form
    3,132.13/4,707.30 = 3,113.90/x
  3. Step 3: Cross multiply
    3,132.13x = 4,707.30 × 3,113.90
  4. Step 4: Simplify right side
    3,132.13x = 14,658,061.47
  5. Step 5: Solve for x
    x = 14,658,061.47/3,132.13
  6. Step 6: Final answer
    x = 4,679.90

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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.