Home / 7,868.04-11,810.25-3,488.57

Finding the Fourth Proportional to 7,868.04, 11,810.25 and 3,488.57

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Solution

The fourth proportional to 7,868.04, 11,810.25 and 3,488.57 is: 5,236.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,868.04 : 11,810.25 = 3,488.57 : x
  2. Step 2: Convert to fraction form
    7,868.04/11,810.25 = 3,488.57/x
  3. Step 3: Cross multiply
    7,868.04x = 11,810.25 × 3,488.57
  4. Step 4: Simplify right side
    7,868.04x = 41,200,883.84
  5. Step 5: Solve for x
    x = 41,200,883.84/7,868.04
  6. Step 6: Final answer
    x = 5,236.49

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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.