Home / 6,278.05-8,664.90-4,153.62

Finding the Fourth Proportional to 6,278.05, 8,664.90 and 4,153.62

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Solution

The fourth proportional to 6,278.05, 8,664.90 and 4,153.62 is: 5,732.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,278.05 : 8,664.90 = 4,153.62 : x
  2. Step 2: Convert to fraction form
    6,278.05/8,664.90 = 4,153.62/x
  3. Step 3: Cross multiply
    6,278.05x = 8,664.90 × 4,153.62
  4. Step 4: Simplify right side
    6,278.05x = 35,990,701.94
  5. Step 5: Solve for x
    x = 35,990,701.94/6,278.05
  6. Step 6: Final answer
    x = 5,732.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.