Home / 4,278.43-6,417.87-1,356.96

Finding the Fourth Proportional to 4,278.43, 6,417.87 and 1,356.96

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Solution

The fourth proportional to 4,278.43, 6,417.87 and 1,356.96 is: 2,035.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,278.43 : 6,417.87 = 1,356.96 : x
  2. Step 2: Convert to fraction form
    4,278.43/6,417.87 = 1,356.96/x
  3. Step 3: Cross multiply
    4,278.43x = 6,417.87 × 1,356.96
  4. Step 4: Simplify right side
    4,278.43x = 8,708,792.88
  5. Step 5: Solve for x
    x = 8,708,792.88/4,278.43
  6. Step 6: Final answer
    x = 2,035.51

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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.