Home / 5,320.15-7,341.33-3,081.31

Finding the Fourth Proportional to 5,320.15, 7,341.33 and 3,081.31

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Solution

The fourth proportional to 5,320.15, 7,341.33 and 3,081.31 is: 4,251.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,320.15 : 7,341.33 = 3,081.31 : x
  2. Step 2: Convert to fraction form
    5,320.15/7,341.33 = 3,081.31/x
  3. Step 3: Cross multiply
    5,320.15x = 7,341.33 × 3,081.31
  4. Step 4: Simplify right side
    5,320.15x = 22,620,906.74
  5. Step 5: Solve for x
    x = 22,620,906.74/5,320.15
  6. Step 6: Final answer
    x = 4,251.93

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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.