Home / 7,869.59-11,804.00-2,938.84

Finding the Fourth Proportional to 7,869.59, 11,804.00 and 2,938.84

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Solution

The fourth proportional to 7,869.59, 11,804.00 and 2,938.84 is: 4,408.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,869.59 : 11,804.00 = 2,938.84 : x
  2. Step 2: Convert to fraction form
    7,869.59/11,804.00 = 2,938.84/x
  3. Step 3: Cross multiply
    7,869.59x = 11,804.00 × 2,938.84
  4. Step 4: Simplify right side
    7,869.59x = 34,690,023.16
  5. Step 5: Solve for x
    x = 34,690,023.16/7,869.59
  6. Step 6: Final answer
    x = 4,408.11

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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.