Home / 5,401.71-8,103.87-2,768.13

Finding the Fourth Proportional to 5,401.71, 8,103.87 and 2,768.13

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Solution

The fourth proportional to 5,401.71, 8,103.87 and 2,768.13 is: 4,152.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,401.71 : 8,103.87 = 2,768.13 : x
  2. Step 2: Convert to fraction form
    5,401.71/8,103.87 = 2,768.13/x
  3. Step 3: Cross multiply
    5,401.71x = 8,103.87 × 2,768.13
  4. Step 4: Simplify right side
    5,401.71x = 22,432,565.66
  5. Step 5: Solve for x
    x = 22,432,565.66/5,401.71
  6. Step 6: Final answer
    x = 4,152.86

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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.