Home / 6,690.20-10,035.34-2,743.62

Finding the Fourth Proportional to 6,690.20, 10,035.34 and 2,743.62

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Solution

The fourth proportional to 6,690.20, 10,035.34 and 2,743.62 is: 4,115.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,690.20 : 10,035.34 = 2,743.62 : x
  2. Step 2: Convert to fraction form
    6,690.20/10,035.34 = 2,743.62/x
  3. Step 3: Cross multiply
    6,690.20x = 10,035.34 × 2,743.62
  4. Step 4: Simplify right side
    6,690.20x = 27,533,159.53
  5. Step 5: Solve for x
    x = 27,533,159.53/6,690.20
  6. Step 6: Final answer
    x = 4,115.45

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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.