Home / 8,223.68-12,337.35-3,838.74

Finding the Fourth Proportional to 8,223.68, 12,337.35 and 3,838.74

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Solution

The fourth proportional to 8,223.68, 12,337.35 and 3,838.74 is: 5,758.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,223.68 : 12,337.35 = 3,838.74 : x
  2. Step 2: Convert to fraction form
    8,223.68/12,337.35 = 3,838.74/x
  3. Step 3: Cross multiply
    8,223.68x = 12,337.35 × 3,838.74
  4. Step 4: Simplify right side
    8,223.68x = 47,359,878.94
  5. Step 5: Solve for x
    x = 47,359,878.94/8,223.68
  6. Step 6: Final answer
    x = 5,758.97

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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.