Home / 5,872.71-8,104.32-3,220.05

Finding the Fourth Proportional to 5,872.71, 8,104.32 and 3,220.05

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Solution

The fourth proportional to 5,872.71, 8,104.32 and 3,220.05 is: 4,443.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,872.71 : 8,104.32 = 3,220.05 : x
  2. Step 2: Convert to fraction form
    5,872.71/8,104.32 = 3,220.05/x
  3. Step 3: Cross multiply
    5,872.71x = 8,104.32 × 3,220.05
  4. Step 4: Simplify right side
    5,872.71x = 26,096,315.62
  5. Step 5: Solve for x
    x = 26,096,315.62/5,872.71
  6. Step 6: Final answer
    x = 4,443.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.