Home / 5,396.70-7,447.32-3,038.85

Finding the Fourth Proportional to 5,396.70, 7,447.32 and 3,038.85

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Solution

The fourth proportional to 5,396.70, 7,447.32 and 3,038.85 is: 4,193.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,396.70 : 7,447.32 = 3,038.85 : x
  2. Step 2: Convert to fraction form
    5,396.70/7,447.32 = 3,038.85/x
  3. Step 3: Cross multiply
    5,396.70x = 7,447.32 × 3,038.85
  4. Step 4: Simplify right side
    5,396.70x = 22,631,288.38
  5. Step 5: Solve for x
    x = 22,631,288.38/5,396.70
  6. Step 6: Final answer
    x = 4,193.54

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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.