Home / 5,787.48-7,985.82-3,429.24

Finding the Fourth Proportional to 5,787.48, 7,985.82 and 3,429.24

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Solution

The fourth proportional to 5,787.48, 7,985.82 and 3,429.24 is: 4,731.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,787.48 : 7,985.82 = 3,429.24 : x
  2. Step 2: Convert to fraction form
    5,787.48/7,985.82 = 3,429.24/x
  3. Step 3: Cross multiply
    5,787.48x = 7,985.82 × 3,429.24
  4. Step 4: Simplify right side
    5,787.48x = 27,385,293.38
  5. Step 5: Solve for x
    x = 27,385,293.38/5,787.48
  6. Step 6: Final answer
    x = 4,731.82

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1.5x scale

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.