Home / 4,266.12-6,398.64-1,670.88

Finding the Fourth Proportional to 4,266.12, 6,398.64 and 1,670.88

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Solution

The fourth proportional to 4,266.12, 6,398.64 and 1,670.88 is: 2,506.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,266.12 : 6,398.64 = 1,670.88 : x
  2. Step 2: Convert to fraction form
    4,266.12/6,398.64 = 1,670.88/x
  3. Step 3: Cross multiply
    4,266.12x = 6,398.64 × 1,670.88
  4. Step 4: Simplify right side
    4,266.12x = 10,691,359.60
  5. Step 5: Solve for x
    x = 10,691,359.60/4,266.12
  6. Step 6: Final answer
    x = 2,506.11

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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.