Home / 4,177.46-5,760.15-3,127.70

Finding the Fourth Proportional to 4,177.46, 5,760.15 and 3,127.70

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Solution

The fourth proportional to 4,177.46, 5,760.15 and 3,127.70 is: 4,312.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,177.46 : 5,760.15 = 3,127.70 : x
  2. Step 2: Convert to fraction form
    4,177.46/5,760.15 = 3,127.70/x
  3. Step 3: Cross multiply
    4,177.46x = 5,760.15 × 3,127.70
  4. Step 4: Simplify right side
    4,177.46x = 18,015,992.35
  5. Step 5: Solve for x
    x = 18,015,992.35/4,177.46
  6. Step 6: Final answer
    x = 4,312.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.