Home / 5,286.18-7,294.68-3,048.12

Finding the Fourth Proportional to 5,286.18, 7,294.68 and 3,048.12

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Solution

The fourth proportional to 5,286.18, 7,294.68 and 3,048.12 is: 4,206.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,286.18 : 7,294.68 = 3,048.12 : x
  2. Step 2: Convert to fraction form
    5,286.18/7,294.68 = 3,048.12/x
  3. Step 3: Cross multiply
    5,286.18x = 7,294.68 × 3,048.12
  4. Step 4: Simplify right side
    5,286.18x = 22,235,060.00
  5. Step 5: Solve for x
    x = 22,235,060.00/5,286.18
  6. Step 6: Final answer
    x = 4,206.26

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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.