Home / 6,447.84-9,669.33-2,985.09

Finding the Fourth Proportional to 6,447.84, 9,669.33 and 2,985.09

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Solution

The fourth proportional to 6,447.84, 9,669.33 and 2,985.09 is: 4,476.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,447.84 : 9,669.33 = 2,985.09 : x
  2. Step 2: Convert to fraction form
    6,447.84/9,669.33 = 2,985.09/x
  3. Step 3: Cross multiply
    6,447.84x = 9,669.33 × 2,985.09
  4. Step 4: Simplify right side
    6,447.84x = 28,863,820.29
  5. Step 5: Solve for x
    x = 28,863,820.29/6,447.84
  6. Step 6: Final answer
    x = 4,476.51

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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.