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Finding the Fourth Proportional to 7,901.99, 11,854.13 and 2,357.04

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Solution

The fourth proportional to 7,901.99, 11,854.13 and 2,357.04 is: 3,535.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,901.99 : 11,854.13 = 2,357.04 : x
  2. Step 2: Convert to fraction form
    7,901.99/11,854.13 = 2,357.04/x
  3. Step 3: Cross multiply
    7,901.99x = 11,854.13 × 2,357.04
  4. Step 4: Simplify right side
    7,901.99x = 27,940,658.58
  5. Step 5: Solve for x
    x = 27,940,658.58/7,901.99
  6. Step 6: Final answer
    x = 3,535.90

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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.