Home / 8,060-11,121.92-4,522.72

Finding the Fourth Proportional to 8,060, 11,121.92 and 4,522.72

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Solution

The fourth proportional to 8,060, 11,121.92 and 4,522.72 is: 6,240.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,060 : 11,121.92 = 4,522.72 : x
  2. Step 2: Convert to fraction form
    8,060/11,121.92 = 4,522.72/x
  3. Step 3: Cross multiply
    8,060x = 11,121.92 × 4,522.72
  4. Step 4: Simplify right side
    8,060x = 50,301,330.02
  5. Step 5: Solve for x
    x = 50,301,330.02/8,060
  6. Step 6: Final answer
    x = 6,240.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.