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Finding the Fourth Proportional to 6,447.53, 9,669.72 and 2,064.08

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Solution

The fourth proportional to 6,447.53, 9,669.72 and 2,064.08 is: 3,095.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,447.53 : 9,669.72 = 2,064.08 : x
  2. Step 2: Convert to fraction form
    6,447.53/9,669.72 = 2,064.08/x
  3. Step 3: Cross multiply
    6,447.53x = 9,669.72 × 2,064.08
  4. Step 4: Simplify right side
    6,447.53x = 19,959,075.66
  5. Step 5: Solve for x
    x = 19,959,075.66/6,447.53
  6. Step 6: Final answer
    x = 3,095.62

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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.