Home / 8,279.12-11,424.98-4,502.24

Finding the Fourth Proportional to 8,279.12, 11,424.98 and 4,502.24

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Solution

The fourth proportional to 8,279.12, 11,424.98 and 4,502.24 is: 6,212.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,279.12 : 11,424.98 = 4,502.24 : x
  2. Step 2: Convert to fraction form
    8,279.12/11,424.98 = 4,502.24/x
  3. Step 3: Cross multiply
    8,279.12x = 11,424.98 × 4,502.24
  4. Step 4: Simplify right side
    8,279.12x = 51,438,001.96
  5. Step 5: Solve for x
    x = 51,438,001.96/8,279.12
  6. Step 6: Final answer
    x = 6,212.98

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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.