Home / 7,240.11-10,860.89-2,308.58

Finding the Fourth Proportional to 7,240.11, 10,860.89 and 2,308.58

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Solution

The fourth proportional to 7,240.11, 10,860.89 and 2,308.58 is: 3,463.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,240.11 : 10,860.89 = 2,308.58 : x
  2. Step 2: Convert to fraction form
    7,240.11/10,860.89 = 2,308.58/x
  3. Step 3: Cross multiply
    7,240.11x = 10,860.89 × 2,308.58
  4. Step 4: Simplify right side
    7,240.11x = 25,073,177.77
  5. Step 5: Solve for x
    x = 25,073,177.77/7,240.11
  6. Step 6: Final answer
    x = 3,463.09

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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.