Home / 7,087.28-10,627.38-2,643.44

Finding the Fourth Proportional to 7,087.28, 10,627.38 and 2,643.44

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Solution

The fourth proportional to 7,087.28, 10,627.38 and 2,643.44 is: 3,963.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,087.28 : 10,627.38 = 2,643.44 : x
  2. Step 2: Convert to fraction form
    7,087.28/10,627.38 = 2,643.44/x
  3. Step 3: Cross multiply
    7,087.28x = 10,627.38 × 2,643.44
  4. Step 4: Simplify right side
    7,087.28x = 28,092,841.39
  5. Step 5: Solve for x
    x = 28,092,841.39/7,087.28
  6. Step 6: Final answer
    x = 3,963.84

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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.