Home / 7,946.08-11,921.28-4,660.18

Finding the Fourth Proportional to 7,946.08, 11,921.28 and 4,660.18

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Solution

The fourth proportional to 7,946.08, 11,921.28 and 4,660.18 is: 6,991.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,946.08 : 11,921.28 = 4,660.18 : x
  2. Step 2: Convert to fraction form
    7,946.08/11,921.28 = 4,660.18/x
  3. Step 3: Cross multiply
    7,946.08x = 11,921.28 × 4,660.18
  4. Step 4: Simplify right side
    7,946.08x = 55,555,310.63
  5. Step 5: Solve for x
    x = 55,555,310.63/7,946.08
  6. Step 6: Final answer
    x = 6,991.54

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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.