Home / 6,215.12-9,322.38-1,832.78

Finding the Fourth Proportional to 6,215.12, 9,322.38 and 1,832.78

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Solution

The fourth proportional to 6,215.12, 9,322.38 and 1,832.78 is: 2,749.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,215.12 : 9,322.38 = 1,832.78 : x
  2. Step 2: Convert to fraction form
    6,215.12/9,322.38 = 1,832.78/x
  3. Step 3: Cross multiply
    6,215.12x = 9,322.38 × 1,832.78
  4. Step 4: Simplify right side
    6,215.12x = 17,085,871.62
  5. Step 5: Solve for x
    x = 17,085,871.62/6,215.12
  6. Step 6: Final answer
    x = 2,749.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.