Home / 4,759.62-7,139.63-1,472.77

Finding the Fourth Proportional to 4,759.62, 7,139.63 and 1,472.77

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Solution

The fourth proportional to 4,759.62, 7,139.63 and 1,472.77 is: 2,209.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,759.62 : 7,139.63 = 1,472.77 : x
  2. Step 2: Convert to fraction form
    4,759.62/7,139.63 = 1,472.77/x
  3. Step 3: Cross multiply
    4,759.62x = 7,139.63 × 1,472.77
  4. Step 4: Simplify right side
    4,759.62x = 10,515,032.88
  5. Step 5: Solve for x
    x = 10,515,032.88/4,759.62
  6. Step 6: Final answer
    x = 2,209.22

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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.