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Finding the Fourth Proportional to 8,452.64, 12,670.68 and 3,525.68

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Solution

The fourth proportional to 8,452.64, 12,670.68 and 3,525.68 is: 5,285.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,452.64 : 12,670.68 = 3,525.68 : x
  2. Step 2: Convert to fraction form
    8,452.64/12,670.68 = 3,525.68/x
  3. Step 3: Cross multiply
    8,452.64x = 12,670.68 × 3,525.68
  4. Step 4: Simplify right side
    8,452.64x = 44,672,763.06
  5. Step 5: Solve for x
    x = 44,672,763.06/8,452.64
  6. Step 6: Final answer
    x = 5,285.07

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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.