Home / 6,988.34-9,644.08-3,801.81

Finding the Fourth Proportional to 6,988.34, 9,644.08 and 3,801.81

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Solution

The fourth proportional to 6,988.34, 9,644.08 and 3,801.81 is: 5,246.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,988.34 : 9,644.08 = 3,801.81 : x
  2. Step 2: Convert to fraction form
    6,988.34/9,644.08 = 3,801.81/x
  3. Step 3: Cross multiply
    6,988.34x = 9,644.08 × 3,801.81
  4. Step 4: Simplify right side
    6,988.34x = 36,664,957.41
  5. Step 5: Solve for x
    x = 36,664,957.41/6,988.34
  6. Step 6: Final answer
    x = 5,246.59

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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.