Home / 7,418.60-10,236.78-4,433.75

Finding the Fourth Proportional to 7,418.60, 10,236.78 and 4,433.75

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Solution

The fourth proportional to 7,418.60, 10,236.78 and 4,433.75 is: 6,118.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,418.60 : 10,236.78 = 4,433.75 : x
  2. Step 2: Convert to fraction form
    7,418.60/10,236.78 = 4,433.75/x
  3. Step 3: Cross multiply
    7,418.60x = 10,236.78 × 4,433.75
  4. Step 4: Simplify right side
    7,418.60x = 45,387,323.33
  5. Step 5: Solve for x
    x = 45,387,323.33/7,418.60
  6. Step 6: Final answer
    x = 6,118.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.