Home / 5,820.66-8,031.90-3,398.11

Finding the Fourth Proportional to 5,820.66, 8,031.90 and 3,398.11

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Solution

The fourth proportional to 5,820.66, 8,031.90 and 3,398.11 is: 4,689.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,820.66 : 8,031.90 = 3,398.11 : x
  2. Step 2: Convert to fraction form
    5,820.66/8,031.90 = 3,398.11/x
  3. Step 3: Cross multiply
    5,820.66x = 8,031.90 × 3,398.11
  4. Step 4: Simplify right side
    5,820.66x = 27,293,272.37
  5. Step 5: Solve for x
    x = 27,293,272.37/5,820.66
  6. Step 6: Final answer
    x = 4,689.03

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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.