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Finding the Fourth Proportional to 8,785.63, 12,126.11 and 6,063.98

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Solution

The fourth proportional to 8,785.63, 12,126.11 and 6,063.98 is: 8,369.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,785.63 : 12,126.11 = 6,063.98 : x
  2. Step 2: Convert to fraction form
    8,785.63/12,126.11 = 6,063.98/x
  3. Step 3: Cross multiply
    8,785.63x = 12,126.11 × 6,063.98
  4. Step 4: Simplify right side
    8,785.63x = 73,532,568.10
  5. Step 5: Solve for x
    x = 73,532,568.10/8,785.63
  6. Step 6: Final answer
    x = 8,369.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.