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Finding the Fourth Proportional to 6,813, 10,159.88 and 6,750.72

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Solution

The fourth proportional to 6,813, 10,159.88 and 6,750.72 is: 10,067.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,813 : 10,159.88 = 6,750.72 : x
  2. Step 2: Convert to fraction form
    6,813/10,159.88 = 6,750.72/x
  3. Step 3: Cross multiply
    6,813x = 10,159.88 × 6,750.72
  4. Step 4: Simplify right side
    6,813x = 68,586,471.36
  5. Step 5: Solve for x
    x = 68,586,471.36/6,813
  6. Step 6: Final answer
    x = 10,067.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.