Home / 5,387.72-7,435.02-3,029.89

Finding the Fourth Proportional to 5,387.72, 7,435.02 and 3,029.89

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Solution

The fourth proportional to 5,387.72, 7,435.02 and 3,029.89 is: 4,181.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,387.72 : 7,435.02 = 3,029.89 : x
  2. Step 2: Convert to fraction form
    5,387.72/7,435.02 = 3,029.89/x
  3. Step 3: Cross multiply
    5,387.72x = 7,435.02 × 3,029.89
  4. Step 4: Simplify right side
    5,387.72x = 22,527,292.75
  5. Step 5: Solve for x
    x = 22,527,292.75/5,387.72
  6. Step 6: Final answer
    x = 4,181.23

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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.