Home / 8,213.33-12,320.18-2,948.69

Finding the Fourth Proportional to 8,213.33, 12,320.18 and 2,948.69

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Solution

The fourth proportional to 8,213.33, 12,320.18 and 2,948.69 is: 4,423.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,213.33 : 12,320.18 = 2,948.69 : x
  2. Step 2: Convert to fraction form
    8,213.33/12,320.18 = 2,948.69/x
  3. Step 3: Cross multiply
    8,213.33x = 12,320.18 × 2,948.69
  4. Step 4: Simplify right side
    8,213.33x = 36,328,391.56
  5. Step 5: Solve for x
    x = 36,328,391.56/8,213.33
  6. Step 6: Final answer
    x = 4,423.10

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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.