Home / 5,517.95-8,279.57-3,437.39

Finding the Fourth Proportional to 5,517.95, 8,279.57 and 3,437.39

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Solution

The fourth proportional to 5,517.95, 8,279.57 and 3,437.39 is: 5,157.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,517.95 : 8,279.57 = 3,437.39 : x
  2. Step 2: Convert to fraction form
    5,517.95/8,279.57 = 3,437.39/x
  3. Step 3: Cross multiply
    5,517.95x = 8,279.57 × 3,437.39
  4. Step 4: Simplify right side
    5,517.95x = 28,460,140.41
  5. Step 5: Solve for x
    x = 28,460,140.41/5,517.95
  6. Step 6: Final answer
    x = 5,157.74

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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.