Home / 7,851.39-11,772.65-2,584.98

Finding the Fourth Proportional to 7,851.39, 11,772.65 and 2,584.98

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Solution

The fourth proportional to 7,851.39, 11,772.65 and 2,584.98 is: 3,876.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,851.39 : 11,772.65 = 2,584.98 : x
  2. Step 2: Convert to fraction form
    7,851.39/11,772.65 = 2,584.98/x
  3. Step 3: Cross multiply
    7,851.39x = 11,772.65 × 2,584.98
  4. Step 4: Simplify right side
    7,851.39x = 30,432,051.87
  5. Step 5: Solve for x
    x = 30,432,051.87/7,851.39
  6. Step 6: Final answer
    x = 3,876.01

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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.