Home / 5,447.55-7,517.98-3,089.84

Finding the Fourth Proportional to 5,447.55, 7,517.98 and 3,089.84

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Solution

The fourth proportional to 5,447.55, 7,517.98 and 3,089.84 is: 4,264.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,447.55 : 7,517.98 = 3,089.84 : x
  2. Step 2: Convert to fraction form
    5,447.55/7,517.98 = 3,089.84/x
  3. Step 3: Cross multiply
    5,447.55x = 7,517.98 × 3,089.84
  4. Step 4: Simplify right side
    5,447.55x = 23,229,328.80
  5. Step 5: Solve for x
    x = 23,229,328.80/5,447.55
  6. Step 6: Final answer
    x = 4,264.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.