Home / 5,750.79-7,931.52-3,732

Finding the Fourth Proportional to 5,750.79, 7,931.52 and 3,732

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Solution

The fourth proportional to 5,750.79, 7,931.52 and 3,732 is: 5,147.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,750.79 : 7,931.52 = 3,732 : x
  2. Step 2: Convert to fraction form
    5,750.79/7,931.52 = 3,732/x
  3. Step 3: Cross multiply
    5,750.79x = 7,931.52 × 3,732
  4. Step 4: Simplify right side
    5,750.79x = 29,600,432.64
  5. Step 5: Solve for x
    x = 29,600,432.64/5,750.79
  6. Step 6: Final answer
    x = 5,147.19

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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.