Home / 5,426.19-7,489.52-3,069.69

Finding the Fourth Proportional to 5,426.19, 7,489.52 and 3,069.69

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Solution

The fourth proportional to 5,426.19, 7,489.52 and 3,069.69 is: 4,236.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,426.19 : 7,489.52 = 3,069.69 : x
  2. Step 2: Convert to fraction form
    5,426.19/7,489.52 = 3,069.69/x
  3. Step 3: Cross multiply
    5,426.19x = 7,489.52 × 3,069.69
  4. Step 4: Simplify right side
    5,426.19x = 22,990,489.30
  5. Step 5: Solve for x
    x = 22,990,489.30/5,426.19
  6. Step 6: Final answer
    x = 4,236.95

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Half scale
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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.