Home / 9,324.32-13,982.39-4,940.78

Finding the Fourth Proportional to 9,324.32, 13,982.39 and 4,940.78

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Solution

The fourth proportional to 9,324.32, 13,982.39 and 4,940.78 is: 7,409.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,324.32 : 13,982.39 = 4,940.78 : x
  2. Step 2: Convert to fraction form
    9,324.32/13,982.39 = 4,940.78/x
  3. Step 3: Cross multiply
    9,324.32x = 13,982.39 × 4,940.78
  4. Step 4: Simplify right side
    9,324.32x = 69,083,888.16
  5. Step 5: Solve for x
    x = 69,083,888.16/9,324.32
  6. Step 6: Final answer
    x = 7,409.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.