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Finding the Fourth Proportional to 8,900.10, 13,350.42 and 3,056.63

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Solution

The fourth proportional to 8,900.10, 13,350.42 and 3,056.63 is: 4,585.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,900.10 : 13,350.42 = 3,056.63 : x
  2. Step 2: Convert to fraction form
    8,900.10/13,350.42 = 3,056.63/x
  3. Step 3: Cross multiply
    8,900.10x = 13,350.42 × 3,056.63
  4. Step 4: Simplify right side
    8,900.10x = 40,807,227.53
  5. Step 5: Solve for x
    x = 40,807,227.53/8,900.10
  6. Step 6: Final answer
    x = 4,585.03

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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.