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Finding the Fourth Proportional to 6,902.80, 9,525.54 and 3,758.98

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Solution

The fourth proportional to 6,902.80, 9,525.54 and 3,758.98 is: 5,187.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,902.80 : 9,525.54 = 3,758.98 : x
  2. Step 2: Convert to fraction form
    6,902.80/9,525.54 = 3,758.98/x
  3. Step 3: Cross multiply
    6,902.80x = 9,525.54 × 3,758.98
  4. Step 4: Simplify right side
    6,902.80x = 35,806,314.35
  5. Step 5: Solve for x
    x = 35,806,314.35/6,902.80
  6. Step 6: Final answer
    x = 5,187.22

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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.