Home / 5,318.82-7,339.69-2,960.54

Finding the Fourth Proportional to 5,318.82, 7,339.69 and 2,960.54

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Solution

The fourth proportional to 5,318.82, 7,339.69 and 2,960.54 is: 4,085.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,318.82 : 7,339.69 = 2,960.54 : x
  2. Step 2: Convert to fraction form
    5,318.82/7,339.69 = 2,960.54/x
  3. Step 3: Cross multiply
    5,318.82x = 7,339.69 × 2,960.54
  4. Step 4: Simplify right side
    5,318.82x = 21,729,445.83
  5. Step 5: Solve for x
    x = 21,729,445.83/5,318.82
  6. Step 6: Final answer
    x = 4,085.39

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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.