Home / 7,515.76-11,273.64-1,968.52

Finding the Fourth Proportional to 7,515.76, 11,273.64 and 1,968.52

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Solution

The fourth proportional to 7,515.76, 11,273.64 and 1,968.52 is: 2,952.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,515.76 : 11,273.64 = 1,968.52 : x
  2. Step 2: Convert to fraction form
    7,515.76/11,273.64 = 1,968.52/x
  3. Step 3: Cross multiply
    7,515.76x = 11,273.64 × 1,968.52
  4. Step 4: Simplify right side
    7,515.76x = 22,192,385.81
  5. Step 5: Solve for x
    x = 22,192,385.81/7,515.76
  6. Step 6: Final answer
    x = 2,952.78

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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.