Home / 4,957.72-7,440.32-1,839.64

Finding the Fourth Proportional to 4,957.72, 7,440.32 and 1,839.64

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Solution

The fourth proportional to 4,957.72, 7,440.32 and 1,839.64 is: 2,760.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,957.72 : 7,440.32 = 1,839.64 : x
  2. Step 2: Convert to fraction form
    4,957.72/7,440.32 = 1,839.64/x
  3. Step 3: Cross multiply
    4,957.72x = 7,440.32 × 1,839.64
  4. Step 4: Simplify right side
    4,957.72x = 13,687,510.28
  5. Step 5: Solve for x
    x = 13,687,510.28/4,957.72
  6. Step 6: Final answer
    x = 2,760.85

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1.5x scale

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.