Home / 4,040.72-6,061.10-1,119.05

Finding the Fourth Proportional to 4,040.72, 6,061.10 and 1,119.05

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Solution

The fourth proportional to 4,040.72, 6,061.10 and 1,119.05 is: 1,678.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,040.72 : 6,061.10 = 1,119.05 : x
  2. Step 2: Convert to fraction form
    4,040.72/6,061.10 = 1,119.05/x
  3. Step 3: Cross multiply
    4,040.72x = 6,061.10 × 1,119.05
  4. Step 4: Simplify right side
    4,040.72x = 6,782,660.78
  5. Step 5: Solve for x
    x = 6,782,660.78/4,040.72
  6. Step 6: Final answer
    x = 1,678.58

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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.