Home / 4,758.80-7,138.87-1,472.14

Finding the Fourth Proportional to 4,758.80, 7,138.87 and 1,472.14

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Solution

The fourth proportional to 4,758.80, 7,138.87 and 1,472.14 is: 2,208.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,758.80 : 7,138.87 = 1,472.14 : x
  2. Step 2: Convert to fraction form
    4,758.80/7,138.87 = 1,472.14/x
  3. Step 3: Cross multiply
    4,758.80x = 7,138.87 × 1,472.14
  4. Step 4: Simplify right side
    4,758.80x = 10,509,416.08
  5. Step 5: Solve for x
    x = 10,509,416.08/4,758.80
  6. Step 6: Final answer
    x = 2,208.42

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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.