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Finding the Fourth Proportional to 7,873.35, 11,801.70 and 2,607

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Solution

The fourth proportional to 7,873.35, 11,801.70 and 2,607 is: 3,907.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,873.35 : 11,801.70 = 2,607 : x
  2. Step 2: Convert to fraction form
    7,873.35/11,801.70 = 2,607/x
  3. Step 3: Cross multiply
    7,873.35x = 11,801.70 × 2,607
  4. Step 4: Simplify right side
    7,873.35x = 30,767,031.90
  5. Step 5: Solve for x
    x = 30,767,031.90/7,873.35
  6. Step 6: Final answer
    x = 3,907.74

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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.