Home / 4,119.46-6,177.30-1,778.35

Finding the Fourth Proportional to 4,119.46, 6,177.30 and 1,778.35

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Solution

The fourth proportional to 4,119.46, 6,177.30 and 1,778.35 is: 2,666.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,119.46 : 6,177.30 = 1,778.35 : x
  2. Step 2: Convert to fraction form
    4,119.46/6,177.30 = 1,778.35/x
  3. Step 3: Cross multiply
    4,119.46x = 6,177.30 × 1,778.35
  4. Step 4: Simplify right side
    4,119.46x = 10,985,401.46
  5. Step 5: Solve for x
    x = 10,985,401.46/4,119.46
  6. Step 6: Final answer
    x = 2,666.71

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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.