Home / 5,490.45-8,238.24-2,203.47

Finding the Fourth Proportional to 5,490.45, 8,238.24 and 2,203.47

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Solution

The fourth proportional to 5,490.45, 8,238.24 and 2,203.47 is: 3,306.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,490.45 : 8,238.24 = 2,203.47 : x
  2. Step 2: Convert to fraction form
    5,490.45/8,238.24 = 2,203.47/x
  3. Step 3: Cross multiply
    5,490.45x = 8,238.24 × 2,203.47
  4. Step 4: Simplify right side
    5,490.45x = 18,152,714.69
  5. Step 5: Solve for x
    x = 18,152,714.69/5,490.45
  6. Step 6: Final answer
    x = 3,306.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.