Home / 8,282.73-12,420.20-2,438.18

Finding the Fourth Proportional to 8,282.73, 12,420.20 and 2,438.18

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Solution

The fourth proportional to 8,282.73, 12,420.20 and 2,438.18 is: 3,656.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,282.73 : 12,420.20 = 2,438.18 : x
  2. Step 2: Convert to fraction form
    8,282.73/12,420.20 = 2,438.18/x
  3. Step 3: Cross multiply
    8,282.73x = 12,420.20 × 2,438.18
  4. Step 4: Simplify right side
    8,282.73x = 30,282,621.14
  5. Step 5: Solve for x
    x = 30,282,621.14/8,282.73
  6. Step 6: Final answer
    x = 3,656.12

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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.