Home / 8,965.89-13,449.33-2,726.10

Finding the Fourth Proportional to 8,965.89, 13,449.33 and 2,726.10

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Solution

The fourth proportional to 8,965.89, 13,449.33 and 2,726.10 is: 4,089.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,965.89 : 13,449.33 = 2,726.10 : x
  2. Step 2: Convert to fraction form
    8,965.89/13,449.33 = 2,726.10/x
  3. Step 3: Cross multiply
    8,965.89x = 13,449.33 × 2,726.10
  4. Step 4: Simplify right side
    8,965.89x = 36,664,218.51
  5. Step 5: Solve for x
    x = 36,664,218.51/8,965.89
  6. Step 6: Final answer
    x = 4,089.30

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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.