Home / 5,375.06-8,060.52-2,087.72

Finding the Fourth Proportional to 5,375.06, 8,060.52 and 2,087.72

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Solution

The fourth proportional to 5,375.06, 8,060.52 and 2,087.72 is: 3,130.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,375.06 : 8,060.52 = 2,087.72 : x
  2. Step 2: Convert to fraction form
    5,375.06/8,060.52 = 2,087.72/x
  3. Step 3: Cross multiply
    5,375.06x = 8,060.52 × 2,087.72
  4. Step 4: Simplify right side
    5,375.06x = 16,828,134.19
  5. Step 5: Solve for x
    x = 16,828,134.19/5,375.06
  6. Step 6: Final answer
    x = 3,130.78

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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.