Home / 6,494.22-9,743.65-2,111.70

Finding the Fourth Proportional to 6,494.22, 9,743.65 and 2,111.70

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Solution

The fourth proportional to 6,494.22, 9,743.65 and 2,111.70 is: 3,168.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,494.22 : 9,743.65 = 2,111.70 : x
  2. Step 2: Convert to fraction form
    6,494.22/9,743.65 = 2,111.70/x
  3. Step 3: Cross multiply
    6,494.22x = 9,743.65 × 2,111.70
  4. Step 4: Simplify right side
    6,494.22x = 20,575,665.71
  5. Step 5: Solve for x
    x = 20,575,665.71/6,494.22
  6. Step 6: Final answer
    x = 3,168.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.