Home / 5,346.18-7,377.75-3,109.38

Finding the Fourth Proportional to 5,346.18, 7,377.75 and 3,109.38

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Solution

The fourth proportional to 5,346.18, 7,377.75 and 3,109.38 is: 4,290.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,346.18 : 7,377.75 = 3,109.38 : x
  2. Step 2: Convert to fraction form
    5,346.18/7,377.75 = 3,109.38/x
  3. Step 3: Cross multiply
    5,346.18x = 7,377.75 × 3,109.38
  4. Step 4: Simplify right side
    5,346.18x = 22,940,228.30
  5. Step 5: Solve for x
    x = 22,940,228.30/5,346.18
  6. Step 6: Final answer
    x = 4,290.96

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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.