Home / 5,127.64-7,687.51-2,352.31

Finding the Fourth Proportional to 5,127.64, 7,687.51 and 2,352.31

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Solution

The fourth proportional to 5,127.64, 7,687.51 and 2,352.31 is: 3,526.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,127.64 : 7,687.51 = 2,352.31 : x
  2. Step 2: Convert to fraction form
    5,127.64/7,687.51 = 2,352.31/x
  3. Step 3: Cross multiply
    5,127.64x = 7,687.51 × 2,352.31
  4. Step 4: Simplify right side
    5,127.64x = 18,083,381.55
  5. Step 5: Solve for x
    x = 18,083,381.55/5,127.64
  6. Step 6: Final answer
    x = 3,526.65

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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.