Home / 6,279.39-9,404.51-5,239.35

Finding the Fourth Proportional to 6,279.39, 9,404.51 and 5,239.35

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Solution

The fourth proportional to 6,279.39, 9,404.51 and 5,239.35 is: 7,846.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,279.39 : 9,404.51 = 5,239.35 : x
  2. Step 2: Convert to fraction form
    6,279.39/9,404.51 = 5,239.35/x
  3. Step 3: Cross multiply
    6,279.39x = 9,404.51 × 5,239.35
  4. Step 4: Simplify right side
    6,279.39x = 49,273,493.27
  5. Step 5: Solve for x
    x = 49,273,493.27/6,279.39
  6. Step 6: Final answer
    x = 7,846.86

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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.