Home / 5,318.14-7,340.68-3,638.92

Finding the Fourth Proportional to 5,318.14, 7,340.68 and 3,638.92

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Solution

The fourth proportional to 5,318.14, 7,340.68 and 3,638.92 is: 5,022.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,318.14 : 7,340.68 = 3,638.92 : x
  2. Step 2: Convert to fraction form
    5,318.14/7,340.68 = 3,638.92/x
  3. Step 3: Cross multiply
    5,318.14x = 7,340.68 × 3,638.92
  4. Step 4: Simplify right side
    5,318.14x = 26,712,147.27
  5. Step 5: Solve for x
    x = 26,712,147.27/5,318.14
  6. Step 6: Final answer
    x = 5,022.84

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1.5x scale

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.