Home / 6,845.40-10,269.18-2,164.55

Finding the Fourth Proportional to 6,845.40, 10,269.18 and 2,164.55

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Solution

The fourth proportional to 6,845.40, 10,269.18 and 2,164.55 is: 3,247.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,845.40 : 10,269.18 = 2,164.55 : x
  2. Step 2: Convert to fraction form
    6,845.40/10,269.18 = 2,164.55/x
  3. Step 3: Cross multiply
    6,845.40x = 10,269.18 × 2,164.55
  4. Step 4: Simplify right side
    6,845.40x = 22,228,102.22
  5. Step 5: Solve for x
    x = 22,228,102.22/6,845.40
  6. Step 6: Final answer
    x = 3,247.16

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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.