Home / 4,276.92-6,448.28-4,200.38

Finding the Fourth Proportional to 4,276.92, 6,448.28 and 4,200.38

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Solution

The fourth proportional to 4,276.92, 6,448.28 and 4,200.38 is: 6,332.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,276.92 : 6,448.28 = 4,200.38 : x
  2. Step 2: Convert to fraction form
    4,276.92/6,448.28 = 4,200.38/x
  3. Step 3: Cross multiply
    4,276.92x = 6,448.28 × 4,200.38
  4. Step 4: Simplify right side
    4,276.92x = 27,085,173.10
  5. Step 5: Solve for x
    x = 27,085,173.10/4,276.92
  6. Step 6: Final answer
    x = 6,332.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.