Home / 8,269.13-11,411.07-4,911.86

Finding the Fourth Proportional to 8,269.13, 11,411.07 and 4,911.86

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Solution

The fourth proportional to 8,269.13, 11,411.07 and 4,911.86 is: 6,778.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,269.13 : 11,411.07 = 4,911.86 : x
  2. Step 2: Convert to fraction form
    8,269.13/11,411.07 = 4,911.86/x
  3. Step 3: Cross multiply
    8,269.13x = 11,411.07 × 4,911.86
  4. Step 4: Simplify right side
    8,269.13x = 56,049,578.29
  5. Step 5: Solve for x
    x = 56,049,578.29/8,269.13
  6. Step 6: Final answer
    x = 6,778.17

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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.