Home / 5,320.05-7,341.64-3,081.88

Finding the Fourth Proportional to 5,320.05, 7,341.64 and 3,081.88

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Solution

The fourth proportional to 5,320.05, 7,341.64 and 3,081.88 is: 4,252.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,320.05 : 7,341.64 = 3,081.88 : x
  2. Step 2: Convert to fraction form
    5,320.05/7,341.64 = 3,081.88/x
  3. Step 3: Cross multiply
    5,320.05x = 7,341.64 × 3,081.88
  4. Step 4: Simplify right side
    5,320.05x = 22,626,027.42
  5. Step 5: Solve for x
    x = 22,626,027.42/5,320.05
  6. Step 6: Final answer
    x = 4,252.97

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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.