Home / 8,223.28-12,330.16-4,524.60

Finding the Fourth Proportional to 8,223.28, 12,330.16 and 4,524.60

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Solution

The fourth proportional to 8,223.28, 12,330.16 and 4,524.60 is: 6,784.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,223.28 : 12,330.16 = 4,524.60 : x
  2. Step 2: Convert to fraction form
    8,223.28/12,330.16 = 4,524.60/x
  3. Step 3: Cross multiply
    8,223.28x = 12,330.16 × 4,524.60
  4. Step 4: Simplify right side
    8,223.28x = 55,789,041.94
  5. Step 5: Solve for x
    x = 55,789,041.94/8,223.28
  6. Step 6: Final answer
    x = 6,784.28

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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.