Home / 8,856.08-13,279.28-3,659.12

Finding the Fourth Proportional to 8,856.08, 13,279.28 and 3,659.12

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Solution

The fourth proportional to 8,856.08, 13,279.28 and 3,659.12 is: 5,486.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,856.08 : 13,279.28 = 3,659.12 : x
  2. Step 2: Convert to fraction form
    8,856.08/13,279.28 = 3,659.12/x
  3. Step 3: Cross multiply
    8,856.08x = 13,279.28 × 3,659.12
  4. Step 4: Simplify right side
    8,856.08x = 48,590,479.03
  5. Step 5: Solve for x
    x = 48,590,479.03/8,856.08
  6. Step 6: Final answer
    x = 5,486.68

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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.