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Finding the Fourth Proportional to 6,895.43, 10,343.13 and 2,999.82

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Solution

The fourth proportional to 6,895.43, 10,343.13 and 2,999.82 is: 4,499.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,895.43 : 10,343.13 = 2,999.82 : x
  2. Step 2: Convert to fraction form
    6,895.43/10,343.13 = 2,999.82/x
  3. Step 3: Cross multiply
    6,895.43x = 10,343.13 × 2,999.82
  4. Step 4: Simplify right side
    6,895.43x = 31,027,528.24
  5. Step 5: Solve for x
    x = 31,027,528.24/6,895.43
  6. Step 6: Final answer
    x = 4,499.72

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1.5x scale

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.