Home / 7,728.32-10,665.74-4,371.73

Finding the Fourth Proportional to 7,728.32, 10,665.74 and 4,371.73

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Solution

The fourth proportional to 7,728.32, 10,665.74 and 4,371.73 is: 6,033.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,728.32 : 10,665.74 = 4,371.73 : x
  2. Step 2: Convert to fraction form
    7,728.32/10,665.74 = 4,371.73/x
  3. Step 3: Cross multiply
    7,728.32x = 10,665.74 × 4,371.73
  4. Step 4: Simplify right side
    7,728.32x = 46,627,719.80
  5. Step 5: Solve for x
    x = 46,627,719.80/7,728.32
  6. Step 6: Final answer
    x = 6,033.36

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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.