Home / 5,523.60-8,261.40-4,942.80

Finding the Fourth Proportional to 5,523.60, 8,261.40 and 4,942.80

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Solution

The fourth proportional to 5,523.60, 8,261.40 and 4,942.80 is: 7,392.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,523.60 : 8,261.40 = 4,942.80 : x
  2. Step 2: Convert to fraction form
    5,523.60/8,261.40 = 4,942.80/x
  3. Step 3: Cross multiply
    5,523.60x = 8,261.40 × 4,942.80
  4. Step 4: Simplify right side
    5,523.60x = 40,834,447.92
  5. Step 5: Solve for x
    x = 40,834,447.92/5,523.60
  6. Step 6: Final answer
    x = 7,392.72

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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.