Home / 4,721.80-7,082.32-1,434.90

Finding the Fourth Proportional to 4,721.80, 7,082.32 and 1,434.90

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Solution

The fourth proportional to 4,721.80, 7,082.32 and 1,434.90 is: 2,152.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,721.80 : 7,082.32 = 1,434.90 : x
  2. Step 2: Convert to fraction form
    4,721.80/7,082.32 = 1,434.90/x
  3. Step 3: Cross multiply
    4,721.80x = 7,082.32 × 1,434.90
  4. Step 4: Simplify right side
    4,721.80x = 10,162,420.97
  5. Step 5: Solve for x
    x = 10,162,420.97/4,721.80
  6. Step 6: Final answer
    x = 2,152.23

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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.