Home / 5,726.60-8,590.94-1,830.12

Finding the Fourth Proportional to 5,726.60, 8,590.94 and 1,830.12

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Solution

The fourth proportional to 5,726.60, 8,590.94 and 1,830.12 is: 2,745.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,726.60 : 8,590.94 = 1,830.12 : x
  2. Step 2: Convert to fraction form
    5,726.60/8,590.94 = 1,830.12/x
  3. Step 3: Cross multiply
    5,726.60x = 8,590.94 × 1,830.12
  4. Step 4: Simplify right side
    5,726.60x = 15,722,451.11
  5. Step 5: Solve for x
    x = 15,722,451.11/5,726.60
  6. Step 6: Final answer
    x = 2,745.51

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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.