Home / 5,540.77-8,309.24-1,590.95

Finding the Fourth Proportional to 5,540.77, 8,309.24 and 1,590.95

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Solution

The fourth proportional to 5,540.77, 8,309.24 and 1,590.95 is: 2,385.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,540.77 : 8,309.24 = 1,590.95 : x
  2. Step 2: Convert to fraction form
    5,540.77/8,309.24 = 1,590.95/x
  3. Step 3: Cross multiply
    5,540.77x = 8,309.24 × 1,590.95
  4. Step 4: Simplify right side
    5,540.77x = 13,219,598.20
  5. Step 5: Solve for x
    x = 13,219,598.20/5,540.77
  6. Step 6: Final answer
    x = 2,385.88

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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.