Home / 4,995.28-6,891.31-3,004.71

Finding the Fourth Proportional to 4,995.28, 6,891.31 and 3,004.71

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Solution

The fourth proportional to 4,995.28, 6,891.31 and 3,004.71 is: 4,145.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,995.28 : 6,891.31 = 3,004.71 : x
  2. Step 2: Convert to fraction form
    4,995.28/6,891.31 = 3,004.71/x
  3. Step 3: Cross multiply
    4,995.28x = 6,891.31 × 3,004.71
  4. Step 4: Simplify right side
    4,995.28x = 20,706,388.07
  5. Step 5: Solve for x
    x = 20,706,388.07/4,995.28
  6. Step 6: Final answer
    x = 4,145.19

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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.