Home / 5,408.82-8,113.23-1,513.53

Finding the Fourth Proportional to 5,408.82, 8,113.23 and 1,513.53

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Solution

The fourth proportional to 5,408.82, 8,113.23 and 1,513.53 is: 2,270.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,408.82 : 8,113.23 = 1,513.53 : x
  2. Step 2: Convert to fraction form
    5,408.82/8,113.23 = 1,513.53/x
  3. Step 3: Cross multiply
    5,408.82x = 8,113.23 × 1,513.53
  4. Step 4: Simplify right side
    5,408.82x = 12,279,617.00
  5. Step 5: Solve for x
    x = 12,279,617.00/5,408.82
  6. Step 6: Final answer
    x = 2,270.30

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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.