Home / 7,319.72-10,098.66-5,081

Finding the Fourth Proportional to 7,319.72, 10,098.66 and 5,081

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Solution

The fourth proportional to 7,319.72, 10,098.66 and 5,081 is: 7,010.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,319.72 : 10,098.66 = 5,081 : x
  2. Step 2: Convert to fraction form
    7,319.72/10,098.66 = 5,081/x
  3. Step 3: Cross multiply
    7,319.72x = 10,098.66 × 5,081
  4. Step 4: Simplify right side
    7,319.72x = 51,311,291.46
  5. Step 5: Solve for x
    x = 51,311,291.46/7,319.72
  6. Step 6: Final answer
    x = 7,010.01

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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.