Home / 4,441.02-6,661.87-1,278.34

Finding the Fourth Proportional to 4,441.02, 6,661.87 and 1,278.34

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Solution

The fourth proportional to 4,441.02, 6,661.87 and 1,278.34 is: 1,917.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,441.02 : 6,661.87 = 1,278.34 : x
  2. Step 2: Convert to fraction form
    4,441.02/6,661.87 = 1,278.34/x
  3. Step 3: Cross multiply
    4,441.02x = 6,661.87 × 1,278.34
  4. Step 4: Simplify right side
    4,441.02x = 8,516,134.90
  5. Step 5: Solve for x
    x = 8,516,134.90/4,441.02
  6. Step 6: Final answer
    x = 1,917.61

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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.