Home / 4,260.69-6,391.64-1,339.22

Finding the Fourth Proportional to 4,260.69, 6,391.64 and 1,339.22

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Solution

The fourth proportional to 4,260.69, 6,391.64 and 1,339.22 is: 2,009.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,260.69 : 6,391.64 = 1,339.22 : x
  2. Step 2: Convert to fraction form
    4,260.69/6,391.64 = 1,339.22/x
  3. Step 3: Cross multiply
    4,260.69x = 6,391.64 × 1,339.22
  4. Step 4: Simplify right side
    4,260.69x = 8,559,831.45
  5. Step 5: Solve for x
    x = 8,559,831.45/4,260.69
  6. Step 6: Final answer
    x = 2,009.02

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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.