Home / 7,868.09-11,799.56-2,601.87

Finding the Fourth Proportional to 7,868.09, 11,799.56 and 2,601.87

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Solution

The fourth proportional to 7,868.09, 11,799.56 and 2,601.87 is: 3,901.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,868.09 : 11,799.56 = 2,601.87 : x
  2. Step 2: Convert to fraction form
    7,868.09/11,799.56 = 2,601.87/x
  3. Step 3: Cross multiply
    7,868.09x = 11,799.56 × 2,601.87
  4. Step 4: Simplify right side
    7,868.09x = 30,700,908.17
  5. Step 5: Solve for x
    x = 30,700,908.17/7,868.09
  6. Step 6: Final answer
    x = 3,901.95

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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.