Home / 5,512.95-8,269.94-1,815.19

Finding the Fourth Proportional to 5,512.95, 8,269.94 and 1,815.19

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Solution

The fourth proportional to 5,512.95, 8,269.94 and 1,815.19 is: 2,722.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,512.95 : 8,269.94 = 1,815.19 : x
  2. Step 2: Convert to fraction form
    5,512.95/8,269.94 = 1,815.19/x
  3. Step 3: Cross multiply
    5,512.95x = 8,269.94 × 1,815.19
  4. Step 4: Simplify right side
    5,512.95x = 15,011,512.39
  5. Step 5: Solve for x
    x = 15,011,512.39/5,512.95
  6. Step 6: Final answer
    x = 2,722.95

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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.