Home / 5,449.47-8,161.91-2,521.63

Finding the Fourth Proportional to 5,449.47, 8,161.91 and 2,521.63

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Solution

The fourth proportional to 5,449.47, 8,161.91 and 2,521.63 is: 3,776.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,449.47 : 8,161.91 = 2,521.63 : x
  2. Step 2: Convert to fraction form
    5,449.47/8,161.91 = 2,521.63/x
  3. Step 3: Cross multiply
    5,449.47x = 8,161.91 × 2,521.63
  4. Step 4: Simplify right side
    5,449.47x = 20,581,263.70
  5. Step 5: Solve for x
    x = 20,581,263.70/5,449.47
  6. Step 6: Final answer
    x = 3,776.75

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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.