Home / 8,347.28-12,523.80-5,229.60

Finding the Fourth Proportional to 8,347.28, 12,523.80 and 5,229.60

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Solution

The fourth proportional to 8,347.28, 12,523.80 and 5,229.60 is: 7,846.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,347.28 : 12,523.80 = 5,229.60 : x
  2. Step 2: Convert to fraction form
    8,347.28/12,523.80 = 5,229.60/x
  3. Step 3: Cross multiply
    8,347.28x = 12,523.80 × 5,229.60
  4. Step 4: Simplify right side
    8,347.28x = 65,494,464.48
  5. Step 5: Solve for x
    x = 65,494,464.48/8,347.28
  6. Step 6: Final answer
    x = 7,846.20

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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.