Home / 5,276.64-7,282.97-3,039.80

Finding the Fourth Proportional to 5,276.64, 7,282.97 and 3,039.80

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Solution

The fourth proportional to 5,276.64, 7,282.97 and 3,039.80 is: 4,195.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,276.64 : 7,282.97 = 3,039.80 : x
  2. Step 2: Convert to fraction form
    5,276.64/7,282.97 = 3,039.80/x
  3. Step 3: Cross multiply
    5,276.64x = 7,282.97 × 3,039.80
  4. Step 4: Simplify right side
    5,276.64x = 22,138,772.21
  5. Step 5: Solve for x
    x = 22,138,772.21/5,276.64
  6. Step 6: Final answer
    x = 4,195.62

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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.