Home / 6,111.22-9,165.36-2,821.15

Finding the Fourth Proportional to 6,111.22, 9,165.36 and 2,821.15

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Solution

The fourth proportional to 6,111.22, 9,165.36 and 2,821.15 is: 4,231.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,111.22 : 9,165.36 = 2,821.15 : x
  2. Step 2: Convert to fraction form
    6,111.22/9,165.36 = 2,821.15/x
  3. Step 3: Cross multiply
    6,111.22x = 9,165.36 × 2,821.15
  4. Step 4: Simplify right side
    6,111.22x = 25,856,856.24
  5. Step 5: Solve for x
    x = 25,856,856.24/6,111.22
  6. Step 6: Final answer
    x = 4,231.05

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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.