Home / 5,519.89-7,617.07-3,281.95

Finding the Fourth Proportional to 5,519.89, 7,617.07 and 3,281.95

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Solution

The fourth proportional to 5,519.89, 7,617.07 and 3,281.95 is: 4,528.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,519.89 : 7,617.07 = 3,281.95 : x
  2. Step 2: Convert to fraction form
    5,519.89/7,617.07 = 3,281.95/x
  3. Step 3: Cross multiply
    5,519.89x = 7,617.07 × 3,281.95
  4. Step 4: Simplify right side
    5,519.89x = 24,998,842.89
  5. Step 5: Solve for x
    x = 24,998,842.89/5,519.89
  6. Step 6: Final answer
    x = 4,528.87

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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.