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Finding the Fourth Proportional to 8,145.93, 12,219.12 and 2,599.41

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Solution

The fourth proportional to 8,145.93, 12,219.12 and 2,599.41 is: 3,899.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,145.93 : 12,219.12 = 2,599.41 : x
  2. Step 2: Convert to fraction form
    8,145.93/12,219.12 = 2,599.41/x
  3. Step 3: Cross multiply
    8,145.93x = 12,219.12 × 2,599.41
  4. Step 4: Simplify right side
    8,145.93x = 31,762,502.72
  5. Step 5: Solve for x
    x = 31,762,502.72/8,145.93
  6. Step 6: Final answer
    x = 3,899.19

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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.