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Finding the Fourth Proportional to 6,709.62, 10,019.22 and 5,479.41

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Solution

The fourth proportional to 6,709.62, 10,019.22 and 5,479.41 is: 8,182.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,709.62 : 10,019.22 = 5,479.41 : x
  2. Step 2: Convert to fraction form
    6,709.62/10,019.22 = 5,479.41/x
  3. Step 3: Cross multiply
    6,709.62x = 10,019.22 × 5,479.41
  4. Step 4: Simplify right side
    6,709.62x = 54,899,414.26
  5. Step 5: Solve for x
    x = 54,899,414.26/6,709.62
  6. Step 6: Final answer
    x = 8,182.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.