Home / 5,318.52-7,341.21-3,639.29

Finding the Fourth Proportional to 5,318.52, 7,341.21 and 3,639.29

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Solution

The fourth proportional to 5,318.52, 7,341.21 and 3,639.29 is: 5,023.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,318.52 : 7,341.21 = 3,639.29 : x
  2. Step 2: Convert to fraction form
    5,318.52/7,341.21 = 3,639.29/x
  3. Step 3: Cross multiply
    5,318.52x = 7,341.21 × 3,639.29
  4. Step 4: Simplify right side
    5,318.52x = 26,716,792.14
  5. Step 5: Solve for x
    x = 26,716,792.14/5,318.52
  6. Step 6: Final answer
    x = 5,023.35

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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.