Home / 6,929.14-9,561.10-3,945.03

Finding the Fourth Proportional to 6,929.14, 9,561.10 and 3,945.03

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Solution

The fourth proportional to 6,929.14, 9,561.10 and 3,945.03 is: 5,443.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,929.14 : 9,561.10 = 3,945.03 : x
  2. Step 2: Convert to fraction form
    6,929.14/9,561.10 = 3,945.03/x
  3. Step 3: Cross multiply
    6,929.14x = 9,561.10 × 3,945.03
  4. Step 4: Simplify right side
    6,929.14x = 37,718,826.33
  5. Step 5: Solve for x
    x = 37,718,826.33/6,929.14
  6. Step 6: Final answer
    x = 5,443.51

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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.