Home / 5,517.30-7,615.62-3,533.18

Finding the Fourth Proportional to 5,517.30, 7,615.62 and 3,533.18

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Solution

The fourth proportional to 5,517.30, 7,615.62 and 3,533.18 is: 4,876.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,517.30 : 7,615.62 = 3,533.18 : x
  2. Step 2: Convert to fraction form
    5,517.30/7,615.62 = 3,533.18/x
  3. Step 3: Cross multiply
    5,517.30x = 7,615.62 × 3,533.18
  4. Step 4: Simplify right side
    5,517.30x = 26,907,356.27
  5. Step 5: Solve for x
    x = 26,907,356.27/5,517.30
  6. Step 6: Final answer
    x = 4,876.91

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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.