Home / 9,040.24-13,561.62-2,800.78

Finding the Fourth Proportional to 9,040.24, 13,561.62 and 2,800.78

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Solution

The fourth proportional to 9,040.24, 13,561.62 and 2,800.78 is: 4,201.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,040.24 : 13,561.62 = 2,800.78 : x
  2. Step 2: Convert to fraction form
    9,040.24/13,561.62 = 2,800.78/x
  3. Step 3: Cross multiply
    9,040.24x = 13,561.62 × 2,800.78
  4. Step 4: Simplify right side
    9,040.24x = 37,983,114.06
  5. Step 5: Solve for x
    x = 37,983,114.06/9,040.24
  6. Step 6: Final answer
    x = 4,201.56

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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.