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Finding the Fourth Proportional to 6,873.59, 10,310.29 and 1,679.51

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Solution

The fourth proportional to 6,873.59, 10,310.29 and 1,679.51 is: 2,519.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,873.59 : 10,310.29 = 1,679.51 : x
  2. Step 2: Convert to fraction form
    6,873.59/10,310.29 = 1,679.51/x
  3. Step 3: Cross multiply
    6,873.59x = 10,310.29 × 1,679.51
  4. Step 4: Simplify right side
    6,873.59x = 17,316,179.41
  5. Step 5: Solve for x
    x = 17,316,179.41/6,873.59
  6. Step 6: Final answer
    x = 2,519.24

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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.