Home / 8,229.21-12,336.52-6,290.07

Finding the Fourth Proportional to 8,229.21, 12,336.52 and 6,290.07

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Solution

The fourth proportional to 8,229.21, 12,336.52 and 6,290.07 is: 9,429.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,229.21 : 12,336.52 = 6,290.07 : x
  2. Step 2: Convert to fraction form
    8,229.21/12,336.52 = 6,290.07/x
  3. Step 3: Cross multiply
    8,229.21x = 12,336.52 × 6,290.07
  4. Step 4: Simplify right side
    8,229.21x = 77,597,574.36
  5. Step 5: Solve for x
    x = 77,597,574.36/8,229.21
  6. Step 6: Final answer
    x = 9,429.53

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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.