Home / 8,458.24-12,684.68-3,526.60

Finding the Fourth Proportional to 8,458.24, 12,684.68 and 3,526.60

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Solution

The fourth proportional to 8,458.24, 12,684.68 and 3,526.60 is: 5,288.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,458.24 : 12,684.68 = 3,526.60 : x
  2. Step 2: Convert to fraction form
    8,458.24/12,684.68 = 3,526.60/x
  3. Step 3: Cross multiply
    8,458.24x = 12,684.68 × 3,526.60
  4. Step 4: Simplify right side
    8,458.24x = 44,733,792.49
  5. Step 5: Solve for x
    x = 44,733,792.49/8,458.24
  6. Step 6: Final answer
    x = 5,288.78

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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.