Home / 6,891.27-9,509.97-4,238.11

Finding the Fourth Proportional to 6,891.27, 9,509.97 and 4,238.11

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Solution

The fourth proportional to 6,891.27, 9,509.97 and 4,238.11 is: 5,848.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,891.27 : 9,509.97 = 4,238.11 : x
  2. Step 2: Convert to fraction form
    6,891.27/9,509.97 = 4,238.11/x
  3. Step 3: Cross multiply
    6,891.27x = 9,509.97 × 4,238.11
  4. Step 4: Simplify right side
    6,891.27x = 40,304,298.96
  5. Step 5: Solve for x
    x = 40,304,298.96/6,891.27
  6. Step 6: Final answer
    x = 5,848.60

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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.