Home / 8,422.02-12,626.17-3,154.07

Finding the Fourth Proportional to 8,422.02, 12,626.17 and 3,154.07

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Solution

The fourth proportional to 8,422.02, 12,626.17 and 3,154.07 is: 4,728.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,422.02 : 12,626.17 = 3,154.07 : x
  2. Step 2: Convert to fraction form
    8,422.02/12,626.17 = 3,154.07/x
  3. Step 3: Cross multiply
    8,422.02x = 12,626.17 × 3,154.07
  4. Step 4: Simplify right side
    8,422.02x = 39,823,847.69
  5. Step 5: Solve for x
    x = 39,823,847.69/8,422.02
  6. Step 6: Final answer
    x = 4,728.54

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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.