Home / 4,040.43-6,060.78-1,118.49

Finding the Fourth Proportional to 4,040.43, 6,060.78 and 1,118.49

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Solution

The fourth proportional to 4,040.43, 6,060.78 and 1,118.49 is: 1,677.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,040.43 : 6,060.78 = 1,118.49 : x
  2. Step 2: Convert to fraction form
    4,040.43/6,060.78 = 1,118.49/x
  3. Step 3: Cross multiply
    4,040.43x = 6,060.78 × 1,118.49
  4. Step 4: Simplify right side
    4,040.43x = 6,778,921.82
  5. Step 5: Solve for x
    x = 6,778,921.82/4,040.43
  6. Step 6: Final answer
    x = 1,677.77

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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.