Home / 5,352.39-7,385.58-3,112.54

Finding the Fourth Proportional to 5,352.39, 7,385.58 and 3,112.54

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Solution

The fourth proportional to 5,352.39, 7,385.58 and 3,112.54 is: 4,294.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,352.39 : 7,385.58 = 3,112.54 : x
  2. Step 2: Convert to fraction form
    5,352.39/7,385.58 = 3,112.54/x
  3. Step 3: Cross multiply
    5,352.39x = 7,385.58 × 3,112.54
  4. Step 4: Simplify right side
    5,352.39x = 22,987,913.17
  5. Step 5: Solve for x
    x = 22,987,913.17/5,352.39
  6. Step 6: Final answer
    x = 4,294.89

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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.