Home / 6,908.87-9,534.28-3,765.05

Finding the Fourth Proportional to 6,908.87, 9,534.28 and 3,765.05

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Solution

The fourth proportional to 6,908.87, 9,534.28 and 3,765.05 is: 5,195.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,908.87 : 9,534.28 = 3,765.05 : x
  2. Step 2: Convert to fraction form
    6,908.87/9,534.28 = 3,765.05/x
  3. Step 3: Cross multiply
    6,908.87x = 9,534.28 × 3,765.05
  4. Step 4: Simplify right side
    6,908.87x = 35,897,055.34
  5. Step 5: Solve for x
    x = 35,897,055.34/6,908.87
  6. Step 6: Final answer
    x = 5,195.80

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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.