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Finding the Fourth Proportional to 8,602.45, 12,871.07 and 5,094.34

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Solution

The fourth proportional to 8,602.45, 12,871.07 and 5,094.34 is: 7,622.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,602.45 : 12,871.07 = 5,094.34 : x
  2. Step 2: Convert to fraction form
    8,602.45/12,871.07 = 5,094.34/x
  3. Step 3: Cross multiply
    8,602.45x = 12,871.07 × 5,094.34
  4. Step 4: Simplify right side
    8,602.45x = 65,569,516.92
  5. Step 5: Solve for x
    x = 65,569,516.92/8,602.45
  6. Step 6: Final answer
    x = 7,622.20

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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.