Home / 8,215.66-12,328.36-3,025.18

Finding the Fourth Proportional to 8,215.66, 12,328.36 and 3,025.18

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Solution

The fourth proportional to 8,215.66, 12,328.36 and 3,025.18 is: 4,539.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,215.66 : 12,328.36 = 3,025.18 : x
  2. Step 2: Convert to fraction form
    8,215.66/12,328.36 = 3,025.18/x
  3. Step 3: Cross multiply
    8,215.66x = 12,328.36 × 3,025.18
  4. Step 4: Simplify right side
    8,215.66x = 37,295,508.10
  5. Step 5: Solve for x
    x = 37,295,508.10/8,215.66
  6. Step 6: Final answer
    x = 4,539.56

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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.