Home / 8,173.40-12,266.68-4,225.82

Finding the Fourth Proportional to 8,173.40, 12,266.68 and 4,225.82

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Solution

The fourth proportional to 8,173.40, 12,266.68 and 4,225.82 is: 6,342.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,173.40 : 12,266.68 = 4,225.82 : x
  2. Step 2: Convert to fraction form
    8,173.40/12,266.68 = 4,225.82/x
  3. Step 3: Cross multiply
    8,173.40x = 12,266.68 × 4,225.82
  4. Step 4: Simplify right side
    8,173.40x = 51,836,801.78
  5. Step 5: Solve for x
    x = 51,836,801.78/8,173.40
  6. Step 6: Final answer
    x = 6,342.13

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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.