Home / 4,760.64-7,140.96-2,160.52

Finding the Fourth Proportional to 4,760.64, 7,140.96 and 2,160.52

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Solution

The fourth proportional to 4,760.64, 7,140.96 and 2,160.52 is: 3,240.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,760.64 : 7,140.96 = 2,160.52 : x
  2. Step 2: Convert to fraction form
    4,760.64/7,140.96 = 2,160.52/x
  3. Step 3: Cross multiply
    4,760.64x = 7,140.96 × 2,160.52
  4. Step 4: Simplify right side
    4,760.64x = 15,428,186.90
  5. Step 5: Solve for x
    x = 15,428,186.90/4,760.64
  6. Step 6: Final answer
    x = 3,240.78

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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.