Home / 5,276.40-7,908.20-2,351.60

Finding the Fourth Proportional to 5,276.40, 7,908.20 and 2,351.60

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Solution

The fourth proportional to 5,276.40, 7,908.20 and 2,351.60 is: 3,524.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,276.40 : 7,908.20 = 2,351.60 : x
  2. Step 2: Convert to fraction form
    5,276.40/7,908.20 = 2,351.60/x
  3. Step 3: Cross multiply
    5,276.40x = 7,908.20 × 2,351.60
  4. Step 4: Simplify right side
    5,276.40x = 18,596,923.12
  5. Step 5: Solve for x
    x = 18,596,923.12/5,276.40
  6. Step 6: Final answer
    x = 3,524.55

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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.