Home / 5,181.20-7,155.16-3,296.34

Finding the Fourth Proportional to 5,181.20, 7,155.16 and 3,296.34

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Solution

The fourth proportional to 5,181.20, 7,155.16 and 3,296.34 is: 4,552.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,181.20 : 7,155.16 = 3,296.34 : x
  2. Step 2: Convert to fraction form
    5,181.20/7,155.16 = 3,296.34/x
  3. Step 3: Cross multiply
    5,181.20x = 7,155.16 × 3,296.34
  4. Step 4: Simplify right side
    5,181.20x = 23,585,840.11
  5. Step 5: Solve for x
    x = 23,585,840.11/5,181.20
  6. Step 6: Final answer
    x = 4,552.20

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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.