Home / 7,861.44-10,847.70-6,272.04

Finding the Fourth Proportional to 7,861.44, 10,847.70 and 6,272.04

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Solution

The fourth proportional to 7,861.44, 10,847.70 and 6,272.04 is: 8,654.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,861.44 : 10,847.70 = 6,272.04 : x
  2. Step 2: Convert to fraction form
    7,861.44/10,847.70 = 6,272.04/x
  3. Step 3: Cross multiply
    7,861.44x = 10,847.70 × 6,272.04
  4. Step 4: Simplify right side
    7,861.44x = 68,037,208.31
  5. Step 5: Solve for x
    x = 68,037,208.31/7,861.44
  6. Step 6: Final answer
    x = 8,654.55

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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.