Home / 5,767.38-7,953.75-4,279.05

Finding the Fourth Proportional to 5,767.38, 7,953.75 and 4,279.05

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Solution

The fourth proportional to 5,767.38, 7,953.75 and 4,279.05 is: 5,901.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,767.38 : 7,953.75 = 4,279.05 : x
  2. Step 2: Convert to fraction form
    5,767.38/7,953.75 = 4,279.05/x
  3. Step 3: Cross multiply
    5,767.38x = 7,953.75 × 4,279.05
  4. Step 4: Simplify right side
    5,767.38x = 34,034,493.94
  5. Step 5: Solve for x
    x = 34,034,493.94/5,767.38
  6. Step 6: Final answer
    x = 5,901.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.