Home / 8,324.05-12,485.83-3,392.47

Finding the Fourth Proportional to 8,324.05, 12,485.83 and 3,392.47

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Solution

The fourth proportional to 8,324.05, 12,485.83 and 3,392.47 is: 5,088.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,324.05 : 12,485.83 = 3,392.47 : x
  2. Step 2: Convert to fraction form
    8,324.05/12,485.83 = 3,392.47/x
  3. Step 3: Cross multiply
    8,324.05x = 12,485.83 × 3,392.47
  4. Step 4: Simplify right side
    8,324.05x = 42,357,803.70
  5. Step 5: Solve for x
    x = 42,357,803.70/8,324.05
  6. Step 6: Final answer
    x = 5,088.61

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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.