Home / 7,006.90-9,669.53-3,863.09

Finding the Fourth Proportional to 7,006.90, 9,669.53 and 3,863.09

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Solution

The fourth proportional to 7,006.90, 9,669.53 and 3,863.09 is: 5,331.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,006.90 : 9,669.53 = 3,863.09 : x
  2. Step 2: Convert to fraction form
    7,006.90/9,669.53 = 3,863.09/x
  3. Step 3: Cross multiply
    7,006.90x = 9,669.53 × 3,863.09
  4. Step 4: Simplify right side
    7,006.90x = 37,354,196.98
  5. Step 5: Solve for x
    x = 37,354,196.98/7,006.90
  6. Step 6: Final answer
    x = 5,331.06

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1.5x scale

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.