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Finding the Fourth Proportional to 5,575.90, 8,359.80 and 2,287.30

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Solution

The fourth proportional to 5,575.90, 8,359.80 and 2,287.30 is: 3,429.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,575.90 : 8,359.80 = 2,287.30 : x
  2. Step 2: Convert to fraction form
    5,575.90/8,359.80 = 2,287.30/x
  3. Step 3: Cross multiply
    5,575.90x = 8,359.80 × 2,287.30
  4. Step 4: Simplify right side
    5,575.90x = 19,121,370.54
  5. Step 5: Solve for x
    x = 19,121,370.54/5,575.90
  6. Step 6: Final answer
    x = 3,429.29

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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.