Home / 7,868.25-11,804.40-2,937.92

Finding the Fourth Proportional to 7,868.25, 11,804.40 and 2,937.92

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Solution

The fourth proportional to 7,868.25, 11,804.40 and 2,937.92 is: 4,407.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,868.25 : 11,804.40 = 2,937.92 : x
  2. Step 2: Convert to fraction form
    7,868.25/11,804.40 = 2,937.92/x
  3. Step 3: Cross multiply
    7,868.25x = 11,804.40 × 2,937.92
  4. Step 4: Simplify right side
    7,868.25x = 34,680,412.36
  5. Step 5: Solve for x
    x = 34,680,412.36/7,868.25
  6. Step 6: Final answer
    x = 4,407.64

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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.