Home / 5,118.80-7,057.33-3,349.76

Finding the Fourth Proportional to 5,118.80, 7,057.33 and 3,349.76

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Solution

The fourth proportional to 5,118.80, 7,057.33 and 3,349.76 is: 4,618.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,118.80 : 7,057.33 = 3,349.76 : x
  2. Step 2: Convert to fraction form
    5,118.80/7,057.33 = 3,349.76/x
  3. Step 3: Cross multiply
    5,118.80x = 7,057.33 × 3,349.76
  4. Step 4: Simplify right side
    5,118.80x = 23,640,318.08
  5. Step 5: Solve for x
    x = 23,640,318.08/5,118.80
  6. Step 6: Final answer
    x = 4,618.34

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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.