Home / 5,276.03-7,280.36-3,286.80

Finding the Fourth Proportional to 5,276.03, 7,280.36 and 3,286.80

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Solution

The fourth proportional to 5,276.03, 7,280.36 and 3,286.80 is: 4,535.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,276.03 : 7,280.36 = 3,286.80 : x
  2. Step 2: Convert to fraction form
    5,276.03/7,280.36 = 3,286.80/x
  3. Step 3: Cross multiply
    5,276.03x = 7,280.36 × 3,286.80
  4. Step 4: Simplify right side
    5,276.03x = 23,929,070.81
  5. Step 5: Solve for x
    x = 23,929,070.81/5,276.03
  6. Step 6: Final answer
    x = 4,535.44

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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.