Home / 8,216.48-12,325.20-3,020.56

Finding the Fourth Proportional to 8,216.48, 12,325.20 and 3,020.56

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Solution

The fourth proportional to 8,216.48, 12,325.20 and 3,020.56 is: 4,531.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,216.48 : 12,325.20 = 3,020.56 : x
  2. Step 2: Convert to fraction form
    8,216.48/12,325.20 = 3,020.56/x
  3. Step 3: Cross multiply
    8,216.48x = 12,325.20 × 3,020.56
  4. Step 4: Simplify right side
    8,216.48x = 37,229,006.11
  5. Step 5: Solve for x
    x = 37,229,006.11/8,216.48
  6. Step 6: Final answer
    x = 4,531.02

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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.