Home / 5,004.31-7,500.40-3,675.75

Finding the Fourth Proportional to 5,004.31, 7,500.40 and 3,675.75

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Solution

The fourth proportional to 5,004.31, 7,500.40 and 3,675.75 is: 5,509.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,004.31 : 7,500.40 = 3,675.75 : x
  2. Step 2: Convert to fraction form
    5,004.31/7,500.40 = 3,675.75/x
  3. Step 3: Cross multiply
    5,004.31x = 7,500.40 × 3,675.75
  4. Step 4: Simplify right side
    5,004.31x = 27,569,539.42
  5. Step 5: Solve for x
    x = 27,569,539.42/5,004.31
  6. Step 6: Final answer
    x = 5,509.16

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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.