Home / 4,392.15-6,590.82-1,620.77

Finding the Fourth Proportional to 4,392.15, 6,590.82 and 1,620.77

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Solution

The fourth proportional to 4,392.15, 6,590.82 and 1,620.77 is: 2,432.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,392.15 : 6,590.82 = 1,620.77 : x
  2. Step 2: Convert to fraction form
    4,392.15/6,590.82 = 1,620.77/x
  3. Step 3: Cross multiply
    4,392.15x = 6,590.82 × 1,620.77
  4. Step 4: Simplify right side
    4,392.15x = 10,682,203.33
  5. Step 5: Solve for x
    x = 10,682,203.33/4,392.15
  6. Step 6: Final answer
    x = 2,432.11

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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.