Home / 5,321.16-7,341.03-3,639.87

Finding the Fourth Proportional to 5,321.16, 7,341.03 and 3,639.87

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Solution

The fourth proportional to 5,321.16, 7,341.03 and 3,639.87 is: 5,021.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,321.16 : 7,341.03 = 3,639.87 : x
  2. Step 2: Convert to fraction form
    5,321.16/7,341.03 = 3,639.87/x
  3. Step 3: Cross multiply
    5,321.16x = 7,341.03 × 3,639.87
  4. Step 4: Simplify right side
    5,321.16x = 26,720,394.87
  5. Step 5: Solve for x
    x = 26,720,394.87/5,321.16
  6. Step 6: Final answer
    x = 5,021.54

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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.