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Finding the Fourth Proportional to 6,551.07, 9,826.64 and 1,871.16

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Solution

The fourth proportional to 6,551.07, 9,826.64 and 1,871.16 is: 2,806.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,551.07 : 9,826.64 = 1,871.16 : x
  2. Step 2: Convert to fraction form
    6,551.07/9,826.64 = 1,871.16/x
  3. Step 3: Cross multiply
    6,551.07x = 9,826.64 × 1,871.16
  4. Step 4: Simplify right side
    6,551.07x = 18,387,215.70
  5. Step 5: Solve for x
    x = 18,387,215.70/6,551.07
  6. Step 6: Final answer
    x = 2,806.75

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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.