Home / 5,275.64-7,912.78-2,353.27

Finding the Fourth Proportional to 5,275.64, 7,912.78 and 2,353.27

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Solution

The fourth proportional to 5,275.64, 7,912.78 and 2,353.27 is: 3,529.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,275.64 : 7,912.78 = 2,353.27 : x
  2. Step 2: Convert to fraction form
    5,275.64/7,912.78 = 2,353.27/x
  3. Step 3: Cross multiply
    5,275.64x = 7,912.78 × 2,353.27
  4. Step 4: Simplify right side
    5,275.64x = 18,620,907.79
  5. Step 5: Solve for x
    x = 18,620,907.79/5,275.64
  6. Step 6: Final answer
    x = 3,529.60

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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.