Home / 6,615.68-9,115.20-4,403.84

Finding the Fourth Proportional to 6,615.68, 9,115.20 and 4,403.84

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Solution

The fourth proportional to 6,615.68, 9,115.20 and 4,403.84 is: 6,067.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,615.68 : 9,115.20 = 4,403.84 : x
  2. Step 2: Convert to fraction form
    6,615.68/9,115.20 = 4,403.84/x
  3. Step 3: Cross multiply
    6,615.68x = 9,115.20 × 4,403.84
  4. Step 4: Simplify right side
    6,615.68x = 40,141,882.37
  5. Step 5: Solve for x
    x = 40,141,882.37/6,615.68
  6. Step 6: Final answer
    x = 6,067.69

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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.