Home / 6,938.91-10,403.50-2,555.79

Finding the Fourth Proportional to 6,938.91, 10,403.50 and 2,555.79

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Solution

The fourth proportional to 6,938.91, 10,403.50 and 2,555.79 is: 3,831.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,938.91 : 10,403.50 = 2,555.79 : x
  2. Step 2: Convert to fraction form
    6,938.91/10,403.50 = 2,555.79/x
  3. Step 3: Cross multiply
    6,938.91x = 10,403.50 × 2,555.79
  4. Step 4: Simplify right side
    6,938.91x = 26,589,161.27
  5. Step 5: Solve for x
    x = 26,589,161.27/6,938.91
  6. Step 6: Final answer
    x = 3,831.89

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1.5x scale

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.