Home / 8,744.80-12,066.96-5,159.68

Finding the Fourth Proportional to 8,744.80, 12,066.96 and 5,159.68

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Solution

The fourth proportional to 8,744.80, 12,066.96 and 5,159.68 is: 7,119.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,744.80 : 12,066.96 = 5,159.68 : x
  2. Step 2: Convert to fraction form
    8,744.80/12,066.96 = 5,159.68/x
  3. Step 3: Cross multiply
    8,744.80x = 12,066.96 × 5,159.68
  4. Step 4: Simplify right side
    8,744.80x = 62,261,652.17
  5. Step 5: Solve for x
    x = 62,261,652.17/8,744.80
  6. Step 6: Final answer
    x = 7,119.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.