Home / 7,257.12-10,883.52-2,639.04

Finding the Fourth Proportional to 7,257.12, 10,883.52 and 2,639.04

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Solution

The fourth proportional to 7,257.12, 10,883.52 and 2,639.04 is: 3,957.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,257.12 : 10,883.52 = 2,639.04 : x
  2. Step 2: Convert to fraction form
    7,257.12/10,883.52 = 2,639.04/x
  3. Step 3: Cross multiply
    7,257.12x = 10,883.52 × 2,639.04
  4. Step 4: Simplify right side
    7,257.12x = 28,722,044.62
  5. Step 5: Solve for x
    x = 28,722,044.62/7,257.12
  6. Step 6: Final answer
    x = 3,957.77

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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.