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Finding the Fourth Proportional to 6,646.49, 9,969.12 and 2,029.49

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Solution

The fourth proportional to 6,646.49, 9,969.12 and 2,029.49 is: 3,044.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,646.49 : 9,969.12 = 2,029.49 : x
  2. Step 2: Convert to fraction form
    6,646.49/9,969.12 = 2,029.49/x
  3. Step 3: Cross multiply
    6,646.49x = 9,969.12 × 2,029.49
  4. Step 4: Simplify right side
    6,646.49x = 20,232,169.36
  5. Step 5: Solve for x
    x = 20,232,169.36/6,646.49
  6. Step 6: Final answer
    x = 3,044.04

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1.5x scale

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.