Home / 7,938.33-11,903.28-2,671.58

Finding the Fourth Proportional to 7,938.33, 11,903.28 and 2,671.58

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Solution

The fourth proportional to 7,938.33, 11,903.28 and 2,671.58 is: 4,005.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,938.33 : 11,903.28 = 2,671.58 : x
  2. Step 2: Convert to fraction form
    7,938.33/11,903.28 = 2,671.58/x
  3. Step 3: Cross multiply
    7,938.33x = 11,903.28 × 2,671.58
  4. Step 4: Simplify right side
    7,938.33x = 31,800,592.04
  5. Step 5: Solve for x
    x = 31,800,592.04/7,938.33
  6. Step 6: Final answer
    x = 4,005.96

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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.