Home / 8,279.92-11,426.12-4,503.16

Finding the Fourth Proportional to 8,279.92, 11,426.12 and 4,503.16

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Solution

The fourth proportional to 8,279.92, 11,426.12 and 4,503.16 is: 6,214.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,279.92 : 11,426.12 = 4,503.16 : x
  2. Step 2: Convert to fraction form
    8,279.92/11,426.12 = 4,503.16/x
  3. Step 3: Cross multiply
    8,279.92x = 11,426.12 × 4,503.16
  4. Step 4: Simplify right side
    8,279.92x = 51,453,646.54
  5. Step 5: Solve for x
    x = 51,453,646.54/8,279.92
  6. Step 6: Final answer
    x = 6,214.27

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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.