Home / 7,747.23-11,618.04-4,239.83

Finding the Fourth Proportional to 7,747.23, 11,618.04 and 4,239.83

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Solution

The fourth proportional to 7,747.23, 11,618.04 and 4,239.83 is: 6,358.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,747.23 : 11,618.04 = 4,239.83 : x
  2. Step 2: Convert to fraction form
    7,747.23/11,618.04 = 4,239.83/x
  3. Step 3: Cross multiply
    7,747.23x = 11,618.04 × 4,239.83
  4. Step 4: Simplify right side
    7,747.23x = 49,258,514.53
  5. Step 5: Solve for x
    x = 49,258,514.53/7,747.23
  6. Step 6: Final answer
    x = 6,358.21

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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.