Home / 5,223.38-7,205.59-3,430.61

Finding the Fourth Proportional to 5,223.38, 7,205.59 and 3,430.61

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Solution

The fourth proportional to 5,223.38, 7,205.59 and 3,430.61 is: 4,732.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,223.38 : 7,205.59 = 3,430.61 : x
  2. Step 2: Convert to fraction form
    5,223.38/7,205.59 = 3,430.61/x
  3. Step 3: Cross multiply
    5,223.38x = 7,205.59 × 3,430.61
  4. Step 4: Simplify right side
    5,223.38x = 24,719,604.92
  5. Step 5: Solve for x
    x = 24,719,604.92/5,223.38
  6. Step 6: Final answer
    x = 4,732.49

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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.