Home / 6,764.71-9,329.25-4,247.06

Finding the Fourth Proportional to 6,764.71, 9,329.25 and 4,247.06

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Solution

The fourth proportional to 6,764.71, 9,329.25 and 4,247.06 is: 5,857.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,764.71 : 9,329.25 = 4,247.06 : x
  2. Step 2: Convert to fraction form
    6,764.71/9,329.25 = 4,247.06/x
  3. Step 3: Cross multiply
    6,764.71x = 9,329.25 × 4,247.06
  4. Step 4: Simplify right side
    6,764.71x = 39,621,853.79
  5. Step 5: Solve for x
    x = 39,621,853.79/6,764.71
  6. Step 6: Final answer
    x = 5,857.14

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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.