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Finding the Fourth Proportional to 7,897.89, 11,845.72 and 2,351.01

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Solution

The fourth proportional to 7,897.89, 11,845.72 and 2,351.01 is: 3,526.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,897.89 : 11,845.72 = 2,351.01 : x
  2. Step 2: Convert to fraction form
    7,897.89/11,845.72 = 2,351.01/x
  3. Step 3: Cross multiply
    7,897.89x = 11,845.72 × 2,351.01
  4. Step 4: Simplify right side
    7,897.89x = 27,849,406.18
  5. Step 5: Solve for x
    x = 27,849,406.18/7,897.89
  6. Step 6: Final answer
    x = 3,526.18

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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.