Home / 4,939.47-6,816.06-2,815.16

Finding the Fourth Proportional to 4,939.47, 6,816.06 and 2,815.16

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Solution

The fourth proportional to 4,939.47, 6,816.06 and 2,815.16 is: 3,884.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,939.47 : 6,816.06 = 2,815.16 : x
  2. Step 2: Convert to fraction form
    4,939.47/6,816.06 = 2,815.16/x
  3. Step 3: Cross multiply
    4,939.47x = 6,816.06 × 2,815.16
  4. Step 4: Simplify right side
    4,939.47x = 19,188,265.39
  5. Step 5: Solve for x
    x = 19,188,265.39/4,939.47
  6. Step 6: Final answer
    x = 3,884.68

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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.