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Finding the Fourth Proportional to 6,641.04, 9,165.24 and 3,846

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Solution

The fourth proportional to 6,641.04, 9,165.24 and 3,846 is: 5,307.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,641.04 : 9,165.24 = 3,846 : x
  2. Step 2: Convert to fraction form
    6,641.04/9,165.24 = 3,846/x
  3. Step 3: Cross multiply
    6,641.04x = 9,165.24 × 3,846
  4. Step 4: Simplify right side
    6,641.04x = 35,249,513.04
  5. Step 5: Solve for x
    x = 35,249,513.04/6,641.04
  6. Step 6: Final answer
    x = 5,307.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.