Home / 6,278.08-8,664.96-4,153.72

Finding the Fourth Proportional to 6,278.08, 8,664.96 and 4,153.72

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Solution

The fourth proportional to 6,278.08, 8,664.96 and 4,153.72 is: 5,732.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,278.08 : 8,664.96 = 4,153.72 : x
  2. Step 2: Convert to fraction form
    6,278.08/8,664.96 = 4,153.72/x
  3. Step 3: Cross multiply
    6,278.08x = 8,664.96 × 4,153.72
  4. Step 4: Simplify right side
    6,278.08x = 35,991,817.65
  5. Step 5: Solve for x
    x = 35,991,817.65/6,278.08
  6. Step 6: Final answer
    x = 5,732.93

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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.