Home / 8,208.27-11,332.71-6,316.38

Finding the Fourth Proportional to 8,208.27, 11,332.71 and 6,316.38

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Solution

The fourth proportional to 8,208.27, 11,332.71 and 6,316.38 is: 8,720.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,208.27 : 11,332.71 = 6,316.38 : x
  2. Step 2: Convert to fraction form
    8,208.27/11,332.71 = 6,316.38/x
  3. Step 3: Cross multiply
    8,208.27x = 11,332.71 × 6,316.38
  4. Step 4: Simplify right side
    8,208.27x = 71,581,702.79
  5. Step 5: Solve for x
    x = 71,581,702.79/8,208.27
  6. Step 6: Final answer
    x = 8,720.68

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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.