Home / 5,542.55-8,315.85-2,618.66

Finding the Fourth Proportional to 5,542.55, 8,315.85 and 2,618.66

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Solution

The fourth proportional to 5,542.55, 8,315.85 and 2,618.66 is: 3,928.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,542.55 : 8,315.85 = 2,618.66 : x
  2. Step 2: Convert to fraction form
    5,542.55/8,315.85 = 2,618.66/x
  3. Step 3: Cross multiply
    5,542.55x = 8,315.85 × 2,618.66
  4. Step 4: Simplify right side
    5,542.55x = 21,776,383.76
  5. Step 5: Solve for x
    x = 21,776,383.76/5,542.55
  6. Step 6: Final answer
    x = 3,928.95

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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.