Home / 5,818.14-8,031.78-3,723.48

Finding the Fourth Proportional to 5,818.14, 8,031.78 and 3,723.48

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Solution

The fourth proportional to 5,818.14, 8,031.78 and 3,723.48 is: 5,140.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,818.14 : 8,031.78 = 3,723.48 : x
  2. Step 2: Convert to fraction form
    5,818.14/8,031.78 = 3,723.48/x
  3. Step 3: Cross multiply
    5,818.14x = 8,031.78 × 3,723.48
  4. Step 4: Simplify right side
    5,818.14x = 29,906,172.19
  5. Step 5: Solve for x
    x = 29,906,172.19/5,818.14
  6. Step 6: Final answer
    x = 5,140.16

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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.