Home / 8,279.92-11,426.36-4,503.12

Finding the Fourth Proportional to 8,279.92, 11,426.36 and 4,503.12

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Solution

The fourth proportional to 8,279.92, 11,426.36 and 4,503.12 is: 6,214.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,279.92 : 11,426.36 = 4,503.12 : x
  2. Step 2: Convert to fraction form
    8,279.92/11,426.36 = 4,503.12/x
  3. Step 3: Cross multiply
    8,279.92x = 11,426.36 × 4,503.12
  4. Step 4: Simplify right side
    8,279.92x = 51,454,204.88
  5. Step 5: Solve for x
    x = 51,454,204.88/8,279.92
  6. Step 6: Final answer
    x = 6,214.34

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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.