Home / 4,260.04-6,390.34-1,338.46

Finding the Fourth Proportional to 4,260.04, 6,390.34 and 1,338.46

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Solution

The fourth proportional to 4,260.04, 6,390.34 and 1,338.46 is: 2,007.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,260.04 : 6,390.34 = 1,338.46 : x
  2. Step 2: Convert to fraction form
    4,260.04/6,390.34 = 1,338.46/x
  3. Step 3: Cross multiply
    4,260.04x = 6,390.34 × 1,338.46
  4. Step 4: Simplify right side
    4,260.04x = 8,553,214.48
  5. Step 5: Solve for x
    x = 8,553,214.48/4,260.04
  6. Step 6: Final answer
    x = 2,007.78

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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.