Home / 5,441.54-8,156.82-2,151.32

Finding the Fourth Proportional to 5,441.54, 8,156.82 and 2,151.32

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Solution

The fourth proportional to 5,441.54, 8,156.82 and 2,151.32 is: 3,224.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,441.54 : 8,156.82 = 2,151.32 : x
  2. Step 2: Convert to fraction form
    5,441.54/8,156.82 = 2,151.32/x
  3. Step 3: Cross multiply
    5,441.54x = 8,156.82 × 2,151.32
  4. Step 4: Simplify right side
    5,441.54x = 17,547,930.00
  5. Step 5: Solve for x
    x = 17,547,930.00/5,441.54
  6. Step 6: Final answer
    x = 3,224.81

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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.