Home / 8,449.08-12,673.80-2,605.68

Finding the Fourth Proportional to 8,449.08, 12,673.80 and 2,605.68

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Solution

The fourth proportional to 8,449.08, 12,673.80 and 2,605.68 is: 3,908.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,449.08 : 12,673.80 = 2,605.68 : x
  2. Step 2: Convert to fraction form
    8,449.08/12,673.80 = 2,605.68/x
  3. Step 3: Cross multiply
    8,449.08x = 12,673.80 × 2,605.68
  4. Step 4: Simplify right side
    8,449.08x = 33,023,867.18
  5. Step 5: Solve for x
    x = 33,023,867.18/8,449.08
  6. Step 6: Final answer
    x = 3,908.58

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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.