Home / 8,856.10-13,286.04-3,309.58

Finding the Fourth Proportional to 8,856.10, 13,286.04 and 3,309.58

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Solution

The fourth proportional to 8,856.10, 13,286.04 and 3,309.58 is: 4,965.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,856.10 : 13,286.04 = 3,309.58 : x
  2. Step 2: Convert to fraction form
    8,856.10/13,286.04 = 3,309.58/x
  3. Step 3: Cross multiply
    8,856.10x = 13,286.04 × 3,309.58
  4. Step 4: Simplify right side
    8,856.10x = 43,971,212.26
  5. Step 5: Solve for x
    x = 43,971,212.26/8,856.10
  6. Step 6: Final answer
    x = 4,965.08

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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.