Home / 6,419.25-8,858.57-3,625.29

Finding the Fourth Proportional to 6,419.25, 8,858.57 and 3,625.29

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Solution

The fourth proportional to 6,419.25, 8,858.57 and 3,625.29 is: 5,002.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,419.25 : 8,858.57 = 3,625.29 : x
  2. Step 2: Convert to fraction form
    6,419.25/8,858.57 = 3,625.29/x
  3. Step 3: Cross multiply
    6,419.25x = 8,858.57 × 3,625.29
  4. Step 4: Simplify right side
    6,419.25x = 32,114,867.11
  5. Step 5: Solve for x
    x = 32,114,867.11/6,419.25
  6. Step 6: Final answer
    x = 5,002.90

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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.