Home / 5,285.49-7,292.32-3,517.39

Finding the Fourth Proportional to 5,285.49, 7,292.32 and 3,517.39

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Solution

The fourth proportional to 5,285.49, 7,292.32 and 3,517.39 is: 4,852.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,285.49 : 7,292.32 = 3,517.39 : x
  2. Step 2: Convert to fraction form
    5,285.49/7,292.32 = 3,517.39/x
  3. Step 3: Cross multiply
    5,285.49x = 7,292.32 × 3,517.39
  4. Step 4: Simplify right side
    5,285.49x = 25,649,933.44
  5. Step 5: Solve for x
    x = 25,649,933.44/5,285.49
  6. Step 6: Final answer
    x = 4,852.90

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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.