Home / 7,929.63-11,896.07-3,249.72

Finding the Fourth Proportional to 7,929.63, 11,896.07 and 3,249.72

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Solution

The fourth proportional to 7,929.63, 11,896.07 and 3,249.72 is: 4,875.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,929.63 : 11,896.07 = 3,249.72 : x
  2. Step 2: Convert to fraction form
    7,929.63/11,896.07 = 3,249.72/x
  3. Step 3: Cross multiply
    7,929.63x = 11,896.07 × 3,249.72
  4. Step 4: Simplify right side
    7,929.63x = 38,658,880.35
  5. Step 5: Solve for x
    x = 38,658,880.35/7,929.63
  6. Step 6: Final answer
    x = 4,875.24

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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.