Home / 6,336.47-8,740.17-3,816.87

Finding the Fourth Proportional to 6,336.47, 8,740.17 and 3,816.87

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Solution

The fourth proportional to 6,336.47, 8,740.17 and 3,816.87 is: 5,264.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,336.47 : 8,740.17 = 3,816.87 : x
  2. Step 2: Convert to fraction form
    6,336.47/8,740.17 = 3,816.87/x
  3. Step 3: Cross multiply
    6,336.47x = 8,740.17 × 3,816.87
  4. Step 4: Simplify right side
    6,336.47x = 33,360,092.67
  5. Step 5: Solve for x
    x = 33,360,092.67/6,336.47
  6. Step 6: Final answer
    x = 5,264.78

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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.