Home / 7,944.66-11,920.26-2,754.18

Finding the Fourth Proportional to 7,944.66, 11,920.26 and 2,754.18

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Solution

The fourth proportional to 7,944.66, 11,920.26 and 2,754.18 is: 4,132.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,944.66 : 11,920.26 = 2,754.18 : x
  2. Step 2: Convert to fraction form
    7,944.66/11,920.26 = 2,754.18/x
  3. Step 3: Cross multiply
    7,944.66x = 11,920.26 × 2,754.18
  4. Step 4: Simplify right side
    7,944.66x = 32,830,541.69
  5. Step 5: Solve for x
    x = 32,830,541.69/7,944.66
  6. Step 6: Final answer
    x = 4,132.40

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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.