Home / 6,689.09-9,232.25-3,858.29

Finding the Fourth Proportional to 6,689.09, 9,232.25 and 3,858.29

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Solution

The fourth proportional to 6,689.09, 9,232.25 and 3,858.29 is: 5,325.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,689.09 : 9,232.25 = 3,858.29 : x
  2. Step 2: Convert to fraction form
    6,689.09/9,232.25 = 3,858.29/x
  3. Step 3: Cross multiply
    6,689.09x = 9,232.25 × 3,858.29
  4. Step 4: Simplify right side
    6,689.09x = 35,620,678.56
  5. Step 5: Solve for x
    x = 35,620,678.56/6,689.09
  6. Step 6: Final answer
    x = 5,325.19

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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.