Home / 7,279.34-10,923.14-3,947.69

Finding the Fourth Proportional to 7,279.34, 10,923.14 and 3,947.69

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Solution

The fourth proportional to 7,279.34, 10,923.14 and 3,947.69 is: 5,923.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,279.34 : 10,923.14 = 3,947.69 : x
  2. Step 2: Convert to fraction form
    7,279.34/10,923.14 = 3,947.69/x
  3. Step 3: Cross multiply
    7,279.34x = 10,923.14 × 3,947.69
  4. Step 4: Simplify right side
    7,279.34x = 43,121,125.80
  5. Step 5: Solve for x
    x = 43,121,125.80/7,279.34
  6. Step 6: Final answer
    x = 5,923.77

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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.