Home / 4,187.16-6,278.31-2,238.30

Finding the Fourth Proportional to 4,187.16, 6,278.31 and 2,238.30

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Solution

The fourth proportional to 4,187.16, 6,278.31 and 2,238.30 is: 3,356.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,187.16 : 6,278.31 = 2,238.30 : x
  2. Step 2: Convert to fraction form
    4,187.16/6,278.31 = 2,238.30/x
  3. Step 3: Cross multiply
    4,187.16x = 6,278.31 × 2,238.30
  4. Step 4: Simplify right side
    4,187.16x = 14,052,741.27
  5. Step 5: Solve for x
    x = 14,052,741.27/4,187.16
  6. Step 6: Final answer
    x = 3,356.15

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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.