Home / 6,909.63-9,535.29-3,765.82

Finding the Fourth Proportional to 6,909.63, 9,535.29 and 3,765.82

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Solution

The fourth proportional to 6,909.63, 9,535.29 and 3,765.82 is: 5,196.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,909.63 : 9,535.29 = 3,765.82 : x
  2. Step 2: Convert to fraction form
    6,909.63/9,535.29 = 3,765.82/x
  3. Step 3: Cross multiply
    6,909.63x = 9,535.29 × 3,765.82
  4. Step 4: Simplify right side
    6,909.63x = 35,908,119.28
  5. Step 5: Solve for x
    x = 35,908,119.28/6,909.63
  6. Step 6: Final answer
    x = 5,196.83

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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.