Home / 4,721.66-7,082.50-1,601.70

Finding the Fourth Proportional to 4,721.66, 7,082.50 and 1,601.70

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Solution

The fourth proportional to 4,721.66, 7,082.50 and 1,601.70 is: 2,402.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,721.66 : 7,082.50 = 1,601.70 : x
  2. Step 2: Convert to fraction form
    4,721.66/7,082.50 = 1,601.70/x
  3. Step 3: Cross multiply
    4,721.66x = 7,082.50 × 1,601.70
  4. Step 4: Simplify right side
    4,721.66x = 11,344,040.25
  5. Step 5: Solve for x
    x = 11,344,040.25/4,721.66
  6. Step 6: Final answer
    x = 2,402.55

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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.