Home / 5,490.91-7,577.38-3,133.09

Finding the Fourth Proportional to 5,490.91, 7,577.38 and 3,133.09

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Solution

The fourth proportional to 5,490.91, 7,577.38 and 3,133.09 is: 4,323.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,490.91 : 7,577.38 = 3,133.09 : x
  2. Step 2: Convert to fraction form
    5,490.91/7,577.38 = 3,133.09/x
  3. Step 3: Cross multiply
    5,490.91x = 7,577.38 × 3,133.09
  4. Step 4: Simplify right side
    5,490.91x = 23,740,613.50
  5. Step 5: Solve for x
    x = 23,740,613.50/5,490.91
  6. Step 6: Final answer
    x = 4,323.62

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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.