Home / 4,760.20-7,132.42-1,638.52

Finding the Fourth Proportional to 4,760.20, 7,132.42 and 1,638.52

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Solution

The fourth proportional to 4,760.20, 7,132.42 and 1,638.52 is: 2,455.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,760.20 : 7,132.42 = 1,638.52 : x
  2. Step 2: Convert to fraction form
    4,760.20/7,132.42 = 1,638.52/x
  3. Step 3: Cross multiply
    4,760.20x = 7,132.42 × 1,638.52
  4. Step 4: Simplify right side
    4,760.20x = 11,686,612.82
  5. Step 5: Solve for x
    x = 11,686,612.82/4,760.20
  6. Step 6: Final answer
    x = 2,455.07

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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.