Home / 6,765.24-9,336.40-3,781.08

Finding the Fourth Proportional to 6,765.24, 9,336.40 and 3,781.08

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Solution

The fourth proportional to 6,765.24, 9,336.40 and 3,781.08 is: 5,218.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,765.24 : 9,336.40 = 3,781.08 : x
  2. Step 2: Convert to fraction form
    6,765.24/9,336.40 = 3,781.08/x
  3. Step 3: Cross multiply
    6,765.24x = 9,336.40 × 3,781.08
  4. Step 4: Simplify right side
    6,765.24x = 35,301,675.31
  5. Step 5: Solve for x
    x = 35,301,675.31/6,765.24
  6. Step 6: Final answer
    x = 5,218.10

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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.