Home / 9,187.28-13,780.80-2,261.84

Finding the Fourth Proportional to 9,187.28, 13,780.80 and 2,261.84

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Solution

The fourth proportional to 9,187.28, 13,780.80 and 2,261.84 is: 3,392.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,187.28 : 13,780.80 = 2,261.84 : x
  2. Step 2: Convert to fraction form
    9,187.28/13,780.80 = 2,261.84/x
  3. Step 3: Cross multiply
    9,187.28x = 13,780.80 × 2,261.84
  4. Step 4: Simplify right side
    9,187.28x = 31,169,964.67
  5. Step 5: Solve for x
    x = 31,169,964.67/9,187.28
  6. Step 6: Final answer
    x = 3,392.73

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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.