Home / 8,279.34-11,425.44-4,502.40

Finding the Fourth Proportional to 8,279.34, 11,425.44 and 4,502.40

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Solution

The fourth proportional to 8,279.34, 11,425.44 and 4,502.40 is: 6,213.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,279.34 : 11,425.44 = 4,502.40 : x
  2. Step 2: Convert to fraction form
    8,279.34/11,425.44 = 4,502.40/x
  3. Step 3: Cross multiply
    8,279.34x = 11,425.44 × 4,502.40
  4. Step 4: Simplify right side
    8,279.34x = 51,441,901.06
  5. Step 5: Solve for x
    x = 51,441,901.06/8,279.34
  6. Step 6: Final answer
    x = 6,213.29

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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.