Home / 5,255.46-7,883.91-1,557.99

Finding the Fourth Proportional to 5,255.46, 7,883.91 and 1,557.99

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Solution

The fourth proportional to 5,255.46, 7,883.91 and 1,557.99 is: 2,337.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,255.46 : 7,883.91 = 1,557.99 : x
  2. Step 2: Convert to fraction form
    5,255.46/7,883.91 = 1,557.99/x
  3. Step 3: Cross multiply
    5,255.46x = 7,883.91 × 1,557.99
  4. Step 4: Simplify right side
    5,255.46x = 12,283,052.94
  5. Step 5: Solve for x
    x = 12,283,052.94/5,255.46
  6. Step 6: Final answer
    x = 2,337.20

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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.