Home / 7,793.28-11,675.86-4,279.48

Finding the Fourth Proportional to 7,793.28, 11,675.86 and 4,279.48

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Solution

The fourth proportional to 7,793.28, 11,675.86 and 4,279.48 is: 6,411.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,793.28 : 11,675.86 = 4,279.48 : x
  2. Step 2: Convert to fraction form
    7,793.28/11,675.86 = 4,279.48/x
  3. Step 3: Cross multiply
    7,793.28x = 11,675.86 × 4,279.48
  4. Step 4: Simplify right side
    7,793.28x = 49,966,609.35
  5. Step 5: Solve for x
    x = 49,966,609.35/7,793.28
  6. Step 6: Final answer
    x = 6,411.50

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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.