Home / 6,890.46-10,335.72-2,146.68

Finding the Fourth Proportional to 6,890.46, 10,335.72 and 2,146.68

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Solution

The fourth proportional to 6,890.46, 10,335.72 and 2,146.68 is: 3,220.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,890.46 : 10,335.72 = 2,146.68 : x
  2. Step 2: Convert to fraction form
    6,890.46/10,335.72 = 2,146.68/x
  3. Step 3: Cross multiply
    6,890.46x = 10,335.72 × 2,146.68
  4. Step 4: Simplify right side
    6,890.46x = 22,187,483.41
  5. Step 5: Solve for x
    x = 22,187,483.41/6,890.46
  6. Step 6: Final answer
    x = 3,220.03

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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.