Home / 8,956.39-13,414.10-4,279.69

Finding the Fourth Proportional to 8,956.39, 13,414.10 and 4,279.69

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Solution

The fourth proportional to 8,956.39, 13,414.10 and 4,279.69 is: 6,409.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,956.39 : 13,414.10 = 4,279.69 : x
  2. Step 2: Convert to fraction form
    8,956.39/13,414.10 = 4,279.69/x
  3. Step 3: Cross multiply
    8,956.39x = 13,414.10 × 4,279.69
  4. Step 4: Simplify right side
    8,956.39x = 57,408,145.39
  5. Step 5: Solve for x
    x = 57,408,145.39/8,956.39
  6. Step 6: Final answer
    x = 6,409.74

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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.