Home / 8,133.86-11,217.48-6,341.78

Finding the Fourth Proportional to 8,133.86, 11,217.48 and 6,341.78

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Solution

The fourth proportional to 8,133.86, 11,217.48 and 6,341.78 is: 8,746.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,133.86 : 11,217.48 = 6,341.78 : x
  2. Step 2: Convert to fraction form
    8,133.86/11,217.48 = 6,341.78/x
  3. Step 3: Cross multiply
    8,133.86x = 11,217.48 × 6,341.78
  4. Step 4: Simplify right side
    8,133.86x = 71,138,790.31
  5. Step 5: Solve for x
    x = 71,138,790.31/8,133.86
  6. Step 6: Final answer
    x = 8,746.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.