Home / 8,279.23-11,425.19-4,502.33

Finding the Fourth Proportional to 8,279.23, 11,425.19 and 4,502.33

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Solution

The fourth proportional to 8,279.23, 11,425.19 and 4,502.33 is: 6,213.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,279.23 : 11,425.19 = 4,502.33 : x
  2. Step 2: Convert to fraction form
    8,279.23/11,425.19 = 4,502.33/x
  3. Step 3: Cross multiply
    8,279.23x = 11,425.19 × 4,502.33
  4. Step 4: Simplify right side
    8,279.23x = 51,439,953.18
  5. Step 5: Solve for x
    x = 51,439,953.18/8,279.23
  6. Step 6: Final answer
    x = 6,213.13

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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.