Home / 4,954.91-7,432.43-1,257.05

Finding the Fourth Proportional to 4,954.91, 7,432.43 and 1,257.05

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Solution

The fourth proportional to 4,954.91, 7,432.43 and 1,257.05 is: 1,885.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,954.91 : 7,432.43 = 1,257.05 : x
  2. Step 2: Convert to fraction form
    4,954.91/7,432.43 = 1,257.05/x
  3. Step 3: Cross multiply
    4,954.91x = 7,432.43 × 1,257.05
  4. Step 4: Simplify right side
    4,954.91x = 9,342,957.86
  5. Step 5: Solve for x
    x = 9,342,957.86/4,954.91
  6. Step 6: Final answer
    x = 1,885.59

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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.