Home / 5,540.02-8,308.11-1,590.20

Finding the Fourth Proportional to 5,540.02, 8,308.11 and 1,590.20

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Solution

The fourth proportional to 5,540.02, 8,308.11 and 1,590.20 is: 2,384.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,540.02 : 8,308.11 = 1,590.20 : x
  2. Step 2: Convert to fraction form
    5,540.02/8,308.11 = 1,590.20/x
  3. Step 3: Cross multiply
    5,540.02x = 8,308.11 × 1,590.20
  4. Step 4: Simplify right side
    5,540.02x = 13,211,592.87
  5. Step 5: Solve for x
    x = 13,211,592.87/5,540.02
  6. Step 6: Final answer
    x = 2,384.76

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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.