Home / 4,747.29-7,122.53-2,671.35

Finding the Fourth Proportional to 4,747.29, 7,122.53 and 2,671.35

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Solution

The fourth proportional to 4,747.29, 7,122.53 and 2,671.35 is: 4,007.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,747.29 : 7,122.53 = 2,671.35 : x
  2. Step 2: Convert to fraction form
    4,747.29/7,122.53 = 2,671.35/x
  3. Step 3: Cross multiply
    4,747.29x = 7,122.53 × 2,671.35
  4. Step 4: Simplify right side
    4,747.29x = 19,026,757.16
  5. Step 5: Solve for x
    x = 19,026,757.16/4,747.29
  6. Step 6: Final answer
    x = 4,007.92

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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.