Home / 8,326.08-12,489.06-3,395.70

Finding the Fourth Proportional to 8,326.08, 12,489.06 and 3,395.70

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Solution

The fourth proportional to 8,326.08, 12,489.06 and 3,395.70 is: 5,093.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,326.08 : 12,489.06 = 3,395.70 : x
  2. Step 2: Convert to fraction form
    8,326.08/12,489.06 = 3,395.70/x
  3. Step 3: Cross multiply
    8,326.08x = 12,489.06 × 3,395.70
  4. Step 4: Simplify right side
    8,326.08x = 42,409,101.04
  5. Step 5: Solve for x
    x = 42,409,101.04/8,326.08
  6. Step 6: Final answer
    x = 5,093.53

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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.