Home / 8,310.63-12,452.69-5,816.55

Finding the Fourth Proportional to 8,310.63, 12,452.69 and 5,816.55

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Solution

The fourth proportional to 8,310.63, 12,452.69 and 5,816.55 is: 8,715.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,310.63 : 12,452.69 = 5,816.55 : x
  2. Step 2: Convert to fraction form
    8,310.63/12,452.69 = 5,816.55/x
  3. Step 3: Cross multiply
    8,310.63x = 12,452.69 × 5,816.55
  4. Step 4: Simplify right side
    8,310.63x = 72,431,664.94
  5. Step 5: Solve for x
    x = 72,431,664.94/8,310.63
  6. Step 6: Final answer
    x = 8,715.54

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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.