Home / 7,518.47-11,278.79-2,324.75

Finding the Fourth Proportional to 7,518.47, 11,278.79 and 2,324.75

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Solution

The fourth proportional to 7,518.47, 11,278.79 and 2,324.75 is: 3,487.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,518.47 : 11,278.79 = 2,324.75 : x
  2. Step 2: Convert to fraction form
    7,518.47/11,278.79 = 2,324.75/x
  3. Step 3: Cross multiply
    7,518.47x = 11,278.79 × 2,324.75
  4. Step 4: Simplify right side
    7,518.47x = 26,220,367.05
  5. Step 5: Solve for x
    x = 26,220,367.05/7,518.47
  6. Step 6: Final answer
    x = 3,487.46

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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.