Home / 5,299.54-7,313.39-3,311.25

Finding the Fourth Proportional to 5,299.54, 7,313.39 and 3,311.25

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Solution

The fourth proportional to 5,299.54, 7,313.39 and 3,311.25 is: 4,569.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,299.54 : 7,313.39 = 3,311.25 : x
  2. Step 2: Convert to fraction form
    5,299.54/7,313.39 = 3,311.25/x
  3. Step 3: Cross multiply
    5,299.54x = 7,313.39 × 3,311.25
  4. Step 4: Simplify right side
    5,299.54x = 24,216,444.35
  5. Step 5: Solve for x
    x = 24,216,444.35/5,299.54
  6. Step 6: Final answer
    x = 4,569.54

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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.