Home / 5,719.50-7,887.51-3,731.58

Finding the Fourth Proportional to 5,719.50, 7,887.51 and 3,731.58

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Solution

The fourth proportional to 5,719.50, 7,887.51 and 3,731.58 is: 5,146.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,719.50 : 7,887.51 = 3,731.58 : x
  2. Step 2: Convert to fraction form
    5,719.50/7,887.51 = 3,731.58/x
  3. Step 3: Cross multiply
    5,719.50x = 7,887.51 × 3,731.58
  4. Step 4: Simplify right side
    5,719.50x = 29,432,874.57
  5. Step 5: Solve for x
    x = 29,432,874.57/5,719.50
  6. Step 6: Final answer
    x = 5,146.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.