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Finding the Fourth Proportional to 8,445.16, 12,666.64 and 2,601.64

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Solution

The fourth proportional to 8,445.16, 12,666.64 and 2,601.64 is: 3,902.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,445.16 : 12,666.64 = 2,601.64 : x
  2. Step 2: Convert to fraction form
    8,445.16/12,666.64 = 2,601.64/x
  3. Step 3: Cross multiply
    8,445.16x = 12,666.64 × 2,601.64
  4. Step 4: Simplify right side
    8,445.16x = 32,954,037.29
  5. Step 5: Solve for x
    x = 32,954,037.29/8,445.16
  6. Step 6: Final answer
    x = 3,902.12

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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.