Home / 4,040.40-6,060.92-1,118.48

Finding the Fourth Proportional to 4,040.40, 6,060.92 and 1,118.48

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Solution

The fourth proportional to 4,040.40, 6,060.92 and 1,118.48 is: 1,677.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,040.40 : 6,060.92 = 1,118.48 : x
  2. Step 2: Convert to fraction form
    4,040.40/6,060.92 = 1,118.48/x
  3. Step 3: Cross multiply
    4,040.40x = 6,060.92 × 1,118.48
  4. Step 4: Simplify right side
    4,040.40x = 6,779,017.80
  5. Step 5: Solve for x
    x = 6,779,017.80/4,040.40
  6. Step 6: Final answer
    x = 1,677.81

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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.