Home / 5,012.20-7,510.09-2,669.72

Finding the Fourth Proportional to 5,012.20, 7,510.09 and 2,669.72

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Solution

The fourth proportional to 5,012.20, 7,510.09 and 2,669.72 is: 4,000.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,012.20 : 7,510.09 = 2,669.72 : x
  2. Step 2: Convert to fraction form
    5,012.20/7,510.09 = 2,669.72/x
  3. Step 3: Cross multiply
    5,012.20x = 7,510.09 × 2,669.72
  4. Step 4: Simplify right side
    5,012.20x = 20,049,837.47
  5. Step 5: Solve for x
    x = 20,049,837.47/5,012.20
  6. Step 6: Final answer
    x = 4,000.21

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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.