Home / 7,308.86-10,961.40-2,113.52

Finding the Fourth Proportional to 7,308.86, 10,961.40 and 2,113.52

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Solution

The fourth proportional to 7,308.86, 10,961.40 and 2,113.52 is: 3,169.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,308.86 : 10,961.40 = 2,113.52 : x
  2. Step 2: Convert to fraction form
    7,308.86/10,961.40 = 2,113.52/x
  3. Step 3: Cross multiply
    7,308.86x = 10,961.40 × 2,113.52
  4. Step 4: Simplify right side
    7,308.86x = 23,167,138.13
  5. Step 5: Solve for x
    x = 23,167,138.13/7,308.86
  6. Step 6: Final answer
    x = 3,169.73

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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.