Home / 6,321.17-8,721.34-4,081.01

Finding the Fourth Proportional to 6,321.17, 8,721.34 and 4,081.01

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Solution

The fourth proportional to 6,321.17, 8,721.34 and 4,081.01 is: 5,630.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,321.17 : 8,721.34 = 4,081.01 : x
  2. Step 2: Convert to fraction form
    6,321.17/8,721.34 = 4,081.01/x
  3. Step 3: Cross multiply
    6,321.17x = 8,721.34 × 4,081.01
  4. Step 4: Simplify right side
    6,321.17x = 35,591,821.94
  5. Step 5: Solve for x
    x = 35,591,821.94/6,321.17
  6. Step 6: Final answer
    x = 5,630.57

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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.