Home / 5,213.70-7,187.13-3,442.23

Finding the Fourth Proportional to 5,213.70, 7,187.13 and 3,442.23

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Solution

The fourth proportional to 5,213.70, 7,187.13 and 3,442.23 is: 4,745.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,213.70 : 7,187.13 = 3,442.23 : x
  2. Step 2: Convert to fraction form
    5,213.70/7,187.13 = 3,442.23/x
  3. Step 3: Cross multiply
    5,213.70x = 7,187.13 × 3,442.23
  4. Step 4: Simplify right side
    5,213.70x = 24,739,754.50
  5. Step 5: Solve for x
    x = 24,739,754.50/5,213.70
  6. Step 6: Final answer
    x = 4,745.14

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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.