Home / 5,352.78-7,385.63-3,362.61

Finding the Fourth Proportional to 5,352.78, 7,385.63 and 3,362.61

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Solution

The fourth proportional to 5,352.78, 7,385.63 and 3,362.61 is: 4,639.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,352.78 : 7,385.63 = 3,362.61 : x
  2. Step 2: Convert to fraction form
    5,352.78/7,385.63 = 3,362.61/x
  3. Step 3: Cross multiply
    5,352.78x = 7,385.63 × 3,362.61
  4. Step 4: Simplify right side
    5,352.78x = 24,834,976.48
  5. Step 5: Solve for x
    x = 24,834,976.48/5,352.78
  6. Step 6: Final answer
    x = 4,639.64

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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.