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Finding the Fourth Proportional to 6,800.06, 10,201 and 4,687.78

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Solution

The fourth proportional to 6,800.06, 10,201 and 4,687.78 is: 7,032.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,800.06 : 10,201 = 4,687.78 : x
  2. Step 2: Convert to fraction form
    6,800.06/10,201 = 4,687.78/x
  3. Step 3: Cross multiply
    6,800.06x = 10,201 × 4,687.78
  4. Step 4: Simplify right side
    6,800.06x = 47,820,043.78
  5. Step 5: Solve for x
    x = 47,820,043.78/6,800.06
  6. Step 6: Final answer
    x = 7,032.30

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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.