Home / 4,685.07-6,452.31-3,891.88

Finding the Fourth Proportional to 4,685.07, 6,452.31 and 3,891.88

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Solution

The fourth proportional to 4,685.07, 6,452.31 and 3,891.88 is: 5,359.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,685.07 : 6,452.31 = 3,891.88 : x
  2. Step 2: Convert to fraction form
    4,685.07/6,452.31 = 3,891.88/x
  3. Step 3: Cross multiply
    4,685.07x = 6,452.31 × 3,891.88
  4. Step 4: Simplify right side
    4,685.07x = 25,111,616.24
  5. Step 5: Solve for x
    x = 25,111,616.24/4,685.07
  6. Step 6: Final answer
    x = 5,359.92

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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.