Home / 6,909.20-9,534.66-3,765.36

Finding the Fourth Proportional to 6,909.20, 9,534.66 and 3,765.36

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Solution

The fourth proportional to 6,909.20, 9,534.66 and 3,765.36 is: 5,196.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,909.20 : 9,534.66 = 3,765.36 : x
  2. Step 2: Convert to fraction form
    6,909.20/9,534.66 = 3,765.36/x
  3. Step 3: Cross multiply
    6,909.20x = 9,534.66 × 3,765.36
  4. Step 4: Simplify right side
    6,909.20x = 35,901,427.38
  5. Step 5: Solve for x
    x = 35,901,427.38/6,909.20
  6. Step 6: Final answer
    x = 5,196.18

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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.