Home / 9,040.38-13,556.07-5,760.06

Finding the Fourth Proportional to 9,040.38, 13,556.07 and 5,760.06

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Solution

The fourth proportional to 9,040.38, 13,556.07 and 5,760.06 is: 8,637.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,040.38 : 13,556.07 = 5,760.06 : x
  2. Step 2: Convert to fraction form
    9,040.38/13,556.07 = 5,760.06/x
  3. Step 3: Cross multiply
    9,040.38x = 13,556.07 × 5,760.06
  4. Step 4: Simplify right side
    9,040.38x = 78,083,776.56
  5. Step 5: Solve for x
    x = 78,083,776.56/9,040.38
  6. Step 6: Final answer
    x = 8,637.22

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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.