Home / 5,872.63-8,104.23-3,220.15

Finding the Fourth Proportional to 5,872.63, 8,104.23 and 3,220.15

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Solution

The fourth proportional to 5,872.63, 8,104.23 and 3,220.15 is: 4,443.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,872.63 : 8,104.23 = 3,220.15 : x
  2. Step 2: Convert to fraction form
    5,872.63/8,104.23 = 3,220.15/x
  3. Step 3: Cross multiply
    5,872.63x = 8,104.23 × 3,220.15
  4. Step 4: Simplify right side
    5,872.63x = 26,096,836.23
  5. Step 5: Solve for x
    x = 26,096,836.23/5,872.63
  6. Step 6: Final answer
    x = 4,443.81

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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.