Home / 6,748.65-10,124.10-5,520.87

Finding the Fourth Proportional to 6,748.65, 10,124.10 and 5,520.87

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Solution

The fourth proportional to 6,748.65, 10,124.10 and 5,520.87 is: 8,282.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,748.65 : 10,124.10 = 5,520.87 : x
  2. Step 2: Convert to fraction form
    6,748.65/10,124.10 = 5,520.87/x
  3. Step 3: Cross multiply
    6,748.65x = 10,124.10 × 5,520.87
  4. Step 4: Simplify right side
    6,748.65x = 55,893,839.97
  5. Step 5: Solve for x
    x = 55,893,839.97/6,748.65
  6. Step 6: Final answer
    x = 8,282.23

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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.