Home / 5,148.32-7,104.78-2,910.24

Finding the Fourth Proportional to 5,148.32, 7,104.78 and 2,910.24

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Solution

The fourth proportional to 5,148.32, 7,104.78 and 2,910.24 is: 4,016.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,148.32 : 7,104.78 = 2,910.24 : x
  2. Step 2: Convert to fraction form
    5,148.32/7,104.78 = 2,910.24/x
  3. Step 3: Cross multiply
    5,148.32x = 7,104.78 × 2,910.24
  4. Step 4: Simplify right side
    5,148.32x = 20,676,614.95
  5. Step 5: Solve for x
    x = 20,676,614.95/5,148.32
  6. Step 6: Final answer
    x = 4,016.19

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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.