Home / 7,251.52-10,878.69-3,091.48

Finding the Fourth Proportional to 7,251.52, 10,878.69 and 3,091.48

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Solution

The fourth proportional to 7,251.52, 10,878.69 and 3,091.48 is: 4,637.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,251.52 : 10,878.69 = 3,091.48 : x
  2. Step 2: Convert to fraction form
    7,251.52/10,878.69 = 3,091.48/x
  3. Step 3: Cross multiply
    7,251.52x = 10,878.69 × 3,091.48
  4. Step 4: Simplify right side
    7,251.52x = 33,631,252.56
  5. Step 5: Solve for x
    x = 33,631,252.56/7,251.52
  6. Step 6: Final answer
    x = 4,637.82

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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.