Home / 4,191.80-5,778.98-3,165.26

Finding the Fourth Proportional to 4,191.80, 5,778.98 and 3,165.26

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Solution

The fourth proportional to 4,191.80, 5,778.98 and 3,165.26 is: 4,363.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,191.80 : 5,778.98 = 3,165.26 : x
  2. Step 2: Convert to fraction form
    4,191.80/5,778.98 = 3,165.26/x
  3. Step 3: Cross multiply
    4,191.80x = 5,778.98 × 3,165.26
  4. Step 4: Simplify right side
    4,191.80x = 18,291,985.39
  5. Step 5: Solve for x
    x = 18,291,985.39/4,191.80
  6. Step 6: Final answer
    x = 4,363.76

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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.