Home / 4,227.87-6,343.31-1,887.66

Finding the Fourth Proportional to 4,227.87, 6,343.31 and 1,887.66

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Solution

The fourth proportional to 4,227.87, 6,343.31 and 1,887.66 is: 2,832.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,227.87 : 6,343.31 = 1,887.66 : x
  2. Step 2: Convert to fraction form
    4,227.87/6,343.31 = 1,887.66/x
  3. Step 3: Cross multiply
    4,227.87x = 6,343.31 × 1,887.66
  4. Step 4: Simplify right side
    4,227.87x = 11,974,012.55
  5. Step 5: Solve for x
    x = 11,974,012.55/4,227.87
  6. Step 6: Final answer
    x = 2,832.16

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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.