Home / 6,938.86-10,403.22-2,556.40

Finding the Fourth Proportional to 6,938.86, 10,403.22 and 2,556.40

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Solution

The fourth proportional to 6,938.86, 10,403.22 and 2,556.40 is: 3,832.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,938.86 : 10,403.22 = 2,556.40 : x
  2. Step 2: Convert to fraction form
    6,938.86/10,403.22 = 2,556.40/x
  3. Step 3: Cross multiply
    6,938.86x = 10,403.22 × 2,556.40
  4. Step 4: Simplify right side
    6,938.86x = 26,594,791.61
  5. Step 5: Solve for x
    x = 26,594,791.61/6,938.86
  6. Step 6: Final answer
    x = 3,832.73

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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.