Home / 6,865.60-9,474.54-3,721.72

Finding the Fourth Proportional to 6,865.60, 9,474.54 and 3,721.72

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Solution

The fourth proportional to 6,865.60, 9,474.54 and 3,721.72 is: 5,135.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,865.60 : 9,474.54 = 3,721.72 : x
  2. Step 2: Convert to fraction form
    6,865.60/9,474.54 = 3,721.72/x
  3. Step 3: Cross multiply
    6,865.60x = 9,474.54 × 3,721.72
  4. Step 4: Simplify right side
    6,865.60x = 35,261,585.01
  5. Step 5: Solve for x
    x = 35,261,585.01/6,865.60
  6. Step 6: Final answer
    x = 5,135.98

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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.