Home / 4,976.31-6,867.38-2,851.93

Finding the Fourth Proportional to 4,976.31, 6,867.38 and 2,851.93

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Solution

The fourth proportional to 4,976.31, 6,867.38 and 2,851.93 is: 3,935.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,976.31 : 6,867.38 = 2,851.93 : x
  2. Step 2: Convert to fraction form
    4,976.31/6,867.38 = 2,851.93/x
  3. Step 3: Cross multiply
    4,976.31x = 6,867.38 × 2,851.93
  4. Step 4: Simplify right side
    4,976.31x = 19,585,287.04
  5. Step 5: Solve for x
    x = 19,585,287.04/4,976.31
  6. Step 6: Final answer
    x = 3,935.70

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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.