Home / 5,272.92-7,276.68-2,915.10

Finding the Fourth Proportional to 5,272.92, 7,276.68 and 2,915.10

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Solution

The fourth proportional to 5,272.92, 7,276.68 and 2,915.10 is: 4,022.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,272.92 : 7,276.68 = 2,915.10 : x
  2. Step 2: Convert to fraction form
    5,272.92/7,276.68 = 2,915.10/x
  3. Step 3: Cross multiply
    5,272.92x = 7,276.68 × 2,915.10
  4. Step 4: Simplify right side
    5,272.92x = 21,212,249.87
  5. Step 5: Solve for x
    x = 21,212,249.87/5,272.92
  6. Step 6: Final answer
    x = 4,022.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.