Home / 6,390.20-9,582.60-2,006.48

Finding the Fourth Proportional to 6,390.20, 9,582.60 and 2,006.48

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Solution

The fourth proportional to 6,390.20, 9,582.60 and 2,006.48 is: 3,008.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,390.20 : 9,582.60 = 2,006.48 : x
  2. Step 2: Convert to fraction form
    6,390.20/9,582.60 = 2,006.48/x
  3. Step 3: Cross multiply
    6,390.20x = 9,582.60 × 2,006.48
  4. Step 4: Simplify right side
    6,390.20x = 19,227,295.25
  5. Step 5: Solve for x
    x = 19,227,295.25/6,390.20
  6. Step 6: Final answer
    x = 3,008.87

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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.