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Finding the Fourth Proportional to 6,495.29, 8,964.17 and 3,979.07

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Solution

The fourth proportional to 6,495.29, 8,964.17 and 3,979.07 is: 5,491.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,495.29 : 8,964.17 = 3,979.07 : x
  2. Step 2: Convert to fraction form
    6,495.29/8,964.17 = 3,979.07/x
  3. Step 3: Cross multiply
    6,495.29x = 8,964.17 × 3,979.07
  4. Step 4: Simplify right side
    6,495.29x = 35,668,995.21
  5. Step 5: Solve for x
    x = 35,668,995.21/6,495.29
  6. Step 6: Final answer
    x = 5,491.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.