Home / 4,111.20-6,167.21-1,513.53

Finding the Fourth Proportional to 4,111.20, 6,167.21 and 1,513.53

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Solution

The fourth proportional to 4,111.20, 6,167.21 and 1,513.53 is: 2,270.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,111.20 : 6,167.21 = 1,513.53 : x
  2. Step 2: Convert to fraction form
    4,111.20/6,167.21 = 1,513.53/x
  3. Step 3: Cross multiply
    4,111.20x = 6,167.21 × 1,513.53
  4. Step 4: Simplify right side
    4,111.20x = 9,334,249.78
  5. Step 5: Solve for x
    x = 9,334,249.78/4,111.20
  6. Step 6: Final answer
    x = 2,270.44

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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.