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Finding the Fourth Proportional to 8,677.10, 13,014.01 and 4,230.30

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Solution

The fourth proportional to 8,677.10, 13,014.01 and 4,230.30 is: 6,344.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,677.10 : 13,014.01 = 4,230.30 : x
  2. Step 2: Convert to fraction form
    8,677.10/13,014.01 = 4,230.30/x
  3. Step 3: Cross multiply
    8,677.10x = 13,014.01 × 4,230.30
  4. Step 4: Simplify right side
    8,677.10x = 55,053,172.09
  5. Step 5: Solve for x
    x = 55,053,172.09/8,677.10
  6. Step 6: Final answer
    x = 6,344.65

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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.