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Finding the Fourth Proportional to 6,462.88, 9,690.48 and 2,354.08

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Solution

The fourth proportional to 6,462.88, 9,690.48 and 2,354.08 is: 3,529.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,462.88 : 9,690.48 = 2,354.08 : x
  2. Step 2: Convert to fraction form
    6,462.88/9,690.48 = 2,354.08/x
  3. Step 3: Cross multiply
    6,462.88x = 9,690.48 × 2,354.08
  4. Step 4: Simplify right side
    6,462.88x = 22,812,165.16
  5. Step 5: Solve for x
    x = 22,812,165.16/6,462.88
  6. Step 6: Final answer
    x = 3,529.72

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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.