Home / 6,909.42-9,535.19-3,765.81

Finding the Fourth Proportional to 6,909.42, 9,535.19 and 3,765.81

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Solution

The fourth proportional to 6,909.42, 9,535.19 and 3,765.81 is: 5,196.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,909.42 : 9,535.19 = 3,765.81 : x
  2. Step 2: Convert to fraction form
    6,909.42/9,535.19 = 3,765.81/x
  3. Step 3: Cross multiply
    6,909.42x = 9,535.19 × 3,765.81
  4. Step 4: Simplify right side
    6,909.42x = 35,907,695.02
  5. Step 5: Solve for x
    x = 35,907,695.02/6,909.42
  6. Step 6: Final answer
    x = 5,196.92

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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.