Home / 6,929.19-9,561.72-3,785.37

Finding the Fourth Proportional to 6,929.19, 9,561.72 and 3,785.37

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Solution

The fourth proportional to 6,929.19, 9,561.72 and 3,785.37 is: 5,223.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,929.19 : 9,561.72 = 3,785.37 : x
  2. Step 2: Convert to fraction form
    6,929.19/9,561.72 = 3,785.37/x
  3. Step 3: Cross multiply
    6,929.19x = 9,561.72 × 3,785.37
  4. Step 4: Simplify right side
    6,929.19x = 36,194,648.04
  5. Step 5: Solve for x
    x = 36,194,648.04/6,929.19
  6. Step 6: Final answer
    x = 5,223.50

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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.