Home / 5,535.33-7,638.47-3,144.99

Finding the Fourth Proportional to 5,535.33, 7,638.47 and 3,144.99

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Solution

The fourth proportional to 5,535.33, 7,638.47 and 3,144.99 is: 4,339.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,535.33 : 7,638.47 = 3,144.99 : x
  2. Step 2: Convert to fraction form
    5,535.33/7,638.47 = 3,144.99/x
  3. Step 3: Cross multiply
    5,535.33x = 7,638.47 × 3,144.99
  4. Step 4: Simplify right side
    5,535.33x = 24,022,879.19
  5. Step 5: Solve for x
    x = 24,022,879.19/5,535.33
  6. Step 6: Final answer
    x = 4,339.92

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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.