Home / 7,902.13-11,854.91-4,203.82

Finding the Fourth Proportional to 7,902.13, 11,854.91 and 4,203.82

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Solution

The fourth proportional to 7,902.13, 11,854.91 and 4,203.82 is: 6,306.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,902.13 : 11,854.91 = 4,203.82 : x
  2. Step 2: Convert to fraction form
    7,902.13/11,854.91 = 4,203.82/x
  3. Step 3: Cross multiply
    7,902.13x = 11,854.91 × 4,203.82
  4. Step 4: Simplify right side
    7,902.13x = 49,835,942.78
  5. Step 5: Solve for x
    x = 49,835,942.78/7,902.13
  6. Step 6: Final answer
    x = 6,306.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.