Home / 6,979.40-10,460.30-3,693.96

Finding the Fourth Proportional to 6,979.40, 10,460.30 and 3,693.96

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Solution

The fourth proportional to 6,979.40, 10,460.30 and 3,693.96 is: 5,536.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,979.40 : 10,460.30 = 3,693.96 : x
  2. Step 2: Convert to fraction form
    6,979.40/10,460.30 = 3,693.96/x
  3. Step 3: Cross multiply
    6,979.40x = 10,460.30 × 3,693.96
  4. Step 4: Simplify right side
    6,979.40x = 38,639,929.79
  5. Step 5: Solve for x
    x = 38,639,929.79/6,979.40
  6. Step 6: Final answer
    x = 5,536.28

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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.