Home / 8,279.54-12,421.64-3,348.04

Finding the Fourth Proportional to 8,279.54, 12,421.64 and 3,348.04

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Solution

The fourth proportional to 8,279.54, 12,421.64 and 3,348.04 is: 5,023.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,279.54 : 12,421.64 = 3,348.04 : x
  2. Step 2: Convert to fraction form
    8,279.54/12,421.64 = 3,348.04/x
  3. Step 3: Cross multiply
    8,279.54x = 12,421.64 × 3,348.04
  4. Step 4: Simplify right side
    8,279.54x = 41,588,147.59
  5. Step 5: Solve for x
    x = 41,588,147.59/8,279.54
  6. Step 6: Final answer
    x = 5,023.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.