Home / 4,318.25-6,478.11-1,851.66

Finding the Fourth Proportional to 4,318.25, 6,478.11 and 1,851.66

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Solution

The fourth proportional to 4,318.25, 6,478.11 and 1,851.66 is: 2,777.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,318.25 : 6,478.11 = 1,851.66 : x
  2. Step 2: Convert to fraction form
    4,318.25/6,478.11 = 1,851.66/x
  3. Step 3: Cross multiply
    4,318.25x = 6,478.11 × 1,851.66
  4. Step 4: Simplify right side
    4,318.25x = 11,995,257.16
  5. Step 5: Solve for x
    x = 11,995,257.16/4,318.25
  6. Step 6: Final answer
    x = 2,777.81

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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.