Home / 5,561.62-8,346.54-4,479.05

Finding the Fourth Proportional to 5,561.62, 8,346.54 and 4,479.05

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Solution

The fourth proportional to 5,561.62, 8,346.54 and 4,479.05 is: 6,721.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,561.62 : 8,346.54 = 4,479.05 : x
  2. Step 2: Convert to fraction form
    5,561.62/8,346.54 = 4,479.05/x
  3. Step 3: Cross multiply
    5,561.62x = 8,346.54 × 4,479.05
  4. Step 4: Simplify right side
    5,561.62x = 37,384,569.99
  5. Step 5: Solve for x
    x = 37,384,569.99/5,561.62
  6. Step 6: Final answer
    x = 6,721.88

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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.