Home / 5,523.18-7,621.88-3,005.34

Finding the Fourth Proportional to 5,523.18, 7,621.88 and 3,005.34

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Solution

The fourth proportional to 5,523.18, 7,621.88 and 3,005.34 is: 4,147.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,523.18 : 7,621.88 = 3,005.34 : x
  2. Step 2: Convert to fraction form
    5,523.18/7,621.88 = 3,005.34/x
  3. Step 3: Cross multiply
    5,523.18x = 7,621.88 × 3,005.34
  4. Step 4: Simplify right side
    5,523.18x = 22,906,358.97
  5. Step 5: Solve for x
    x = 22,906,358.97/5,523.18
  6. Step 6: Final answer
    x = 4,147.31

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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.