Home / 6,687.46-10,031.15-2,740.55

Finding the Fourth Proportional to 6,687.46, 10,031.15 and 2,740.55

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Solution

The fourth proportional to 6,687.46, 10,031.15 and 2,740.55 is: 4,110.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,687.46 : 10,031.15 = 2,740.55 : x
  2. Step 2: Convert to fraction form
    6,687.46/10,031.15 = 2,740.55/x
  3. Step 3: Cross multiply
    6,687.46x = 10,031.15 × 2,740.55
  4. Step 4: Simplify right side
    6,687.46x = 27,490,817.98
  5. Step 5: Solve for x
    x = 27,490,817.98/6,687.46
  6. Step 6: Final answer
    x = 4,110.80

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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.