Home / 7,621.92-11,424.78-3,237.12

Finding the Fourth Proportional to 7,621.92, 11,424.78 and 3,237.12

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Solution

The fourth proportional to 7,621.92, 11,424.78 and 3,237.12 is: 4,852.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,621.92 : 11,424.78 = 3,237.12 : x
  2. Step 2: Convert to fraction form
    7,621.92/11,424.78 = 3,237.12/x
  3. Step 3: Cross multiply
    7,621.92x = 11,424.78 × 3,237.12
  4. Step 4: Simplify right side
    7,621.92x = 36,983,383.83
  5. Step 5: Solve for x
    x = 36,983,383.83/7,621.92
  6. Step 6: Final answer
    x = 4,852.24

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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.