Home / 6,721.18-9,276-3,737.31

Finding the Fourth Proportional to 6,721.18, 9,276 and 3,737.31

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Solution

The fourth proportional to 6,721.18, 9,276 and 3,737.31 is: 5,157.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,721.18 : 9,276 = 3,737.31 : x
  2. Step 2: Convert to fraction form
    6,721.18/9,276 = 3,737.31/x
  3. Step 3: Cross multiply
    6,721.18x = 9,276 × 3,737.31
  4. Step 4: Simplify right side
    6,721.18x = 34,667,287.56
  5. Step 5: Solve for x
    x = 34,667,287.56/6,721.18
  6. Step 6: Final answer
    x = 5,157.92

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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.