Home / 7,883.56-11,825.52-2,616.88

Finding the Fourth Proportional to 7,883.56, 11,825.52 and 2,616.88

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Solution

The fourth proportional to 7,883.56, 11,825.52 and 2,616.88 is: 3,925.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,883.56 : 11,825.52 = 2,616.88 : x
  2. Step 2: Convert to fraction form
    7,883.56/11,825.52 = 2,616.88/x
  3. Step 3: Cross multiply
    7,883.56x = 11,825.52 × 2,616.88
  4. Step 4: Simplify right side
    7,883.56x = 30,945,966.78
  5. Step 5: Solve for x
    x = 30,945,966.78/7,883.56
  6. Step 6: Final answer
    x = 3,925.38

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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.