Home / 7,927.35-11,891.64-2,380.28

Finding the Fourth Proportional to 7,927.35, 11,891.64 and 2,380.28

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Solution

The fourth proportional to 7,927.35, 11,891.64 and 2,380.28 is: 3,570.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,927.35 : 11,891.64 = 2,380.28 : x
  2. Step 2: Convert to fraction form
    7,927.35/11,891.64 = 2,380.28/x
  3. Step 3: Cross multiply
    7,927.35x = 11,891.64 × 2,380.28
  4. Step 4: Simplify right side
    7,927.35x = 28,305,373.40
  5. Step 5: Solve for x
    x = 28,305,373.40/7,927.35
  6. Step 6: Final answer
    x = 3,570.60

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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.