Home / 4,040.60-6,060.90-1,118.66

Finding the Fourth Proportional to 4,040.60, 6,060.90 and 1,118.66

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Solution

The fourth proportional to 4,040.60, 6,060.90 and 1,118.66 is: 1,677.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,040.60 : 6,060.90 = 1,118.66 : x
  2. Step 2: Convert to fraction form
    4,040.60/6,060.90 = 1,118.66/x
  3. Step 3: Cross multiply
    4,040.60x = 6,060.90 × 1,118.66
  4. Step 4: Simplify right side
    4,040.60x = 6,780,086.39
  5. Step 5: Solve for x
    x = 6,780,086.39/4,040.60
  6. Step 6: Final answer
    x = 1,677.99

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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.