Home / 9,113.81-13,662.51-3,269.05

Finding the Fourth Proportional to 9,113.81, 13,662.51 and 3,269.05

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Solution

The fourth proportional to 9,113.81, 13,662.51 and 3,269.05 is: 4,900.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,113.81 : 13,662.51 = 3,269.05 : x
  2. Step 2: Convert to fraction form
    9,113.81/13,662.51 = 3,269.05/x
  3. Step 3: Cross multiply
    9,113.81x = 13,662.51 × 3,269.05
  4. Step 4: Simplify right side
    9,113.81x = 44,663,343.66
  5. Step 5: Solve for x
    x = 44,663,343.66/9,113.81
  6. Step 6: Final answer
    x = 4,900.63

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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.