Home / 6,590.57-9,879.89-2,427.75

Finding the Fourth Proportional to 6,590.57, 9,879.89 and 2,427.75

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Solution

The fourth proportional to 6,590.57, 9,879.89 and 2,427.75 is: 3,639.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,590.57 : 9,879.89 = 2,427.75 : x
  2. Step 2: Convert to fraction form
    6,590.57/9,879.89 = 2,427.75/x
  3. Step 3: Cross multiply
    6,590.57x = 9,879.89 × 2,427.75
  4. Step 4: Simplify right side
    6,590.57x = 23,985,890.81
  5. Step 5: Solve for x
    x = 23,985,890.81/6,590.57
  6. Step 6: Final answer
    x = 3,639.43

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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.