Home / 5,132.11-7,699.47-1,434.34

Finding the Fourth Proportional to 5,132.11, 7,699.47 and 1,434.34

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Solution

The fourth proportional to 5,132.11, 7,699.47 and 1,434.34 is: 2,151.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,132.11 : 7,699.47 = 1,434.34 : x
  2. Step 2: Convert to fraction form
    5,132.11/7,699.47 = 1,434.34/x
  3. Step 3: Cross multiply
    5,132.11x = 7,699.47 × 1,434.34
  4. Step 4: Simplify right side
    5,132.11x = 11,043,657.80
  5. Step 5: Solve for x
    x = 11,043,657.80/5,132.11
  6. Step 6: Final answer
    x = 2,151.87

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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.