Home / 4,853.72-7,279.25-1,342.88

Finding the Fourth Proportional to 4,853.72, 7,279.25 and 1,342.88

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Solution

The fourth proportional to 4,853.72, 7,279.25 and 1,342.88 is: 2,013.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,853.72 : 7,279.25 = 1,342.88 : x
  2. Step 2: Convert to fraction form
    4,853.72/7,279.25 = 1,342.88/x
  3. Step 3: Cross multiply
    4,853.72x = 7,279.25 × 1,342.88
  4. Step 4: Simplify right side
    4,853.72x = 9,775,170.72
  5. Step 5: Solve for x
    x = 9,775,170.72/4,853.72
  6. Step 6: Final answer
    x = 2,013.96

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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.