Home / 6,392.17-8,821.18-3,739.06

Finding the Fourth Proportional to 6,392.17, 8,821.18 and 3,739.06

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Solution

The fourth proportional to 6,392.17, 8,821.18 and 3,739.06 is: 5,159.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,392.17 : 8,821.18 = 3,739.06 : x
  2. Step 2: Convert to fraction form
    6,392.17/8,821.18 = 3,739.06/x
  3. Step 3: Cross multiply
    6,392.17x = 8,821.18 × 3,739.06
  4. Step 4: Simplify right side
    6,392.17x = 32,982,889.89
  5. Step 5: Solve for x
    x = 32,982,889.89/6,392.17
  6. Step 6: Final answer
    x = 5,159.89

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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.