Home / 8,620.30-12,926.37-3,073.55

Finding the Fourth Proportional to 8,620.30, 12,926.37 and 3,073.55

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Solution

The fourth proportional to 8,620.30, 12,926.37 and 3,073.55 is: 4,608.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,620.30 : 12,926.37 = 3,073.55 : x
  2. Step 2: Convert to fraction form
    8,620.30/12,926.37 = 3,073.55/x
  3. Step 3: Cross multiply
    8,620.30x = 12,926.37 × 3,073.55
  4. Step 4: Simplify right side
    8,620.30x = 39,729,844.51
  5. Step 5: Solve for x
    x = 39,729,844.51/8,620.30
  6. Step 6: Final answer
    x = 4,608.87

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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.