Home / 6,909.26-10,362.92-1,979.32

Finding the Fourth Proportional to 6,909.26, 10,362.92 and 1,979.32

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Solution

The fourth proportional to 6,909.26, 10,362.92 and 1,979.32 is: 2,968.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,909.26 : 10,362.92 = 1,979.32 : x
  2. Step 2: Convert to fraction form
    6,909.26/10,362.92 = 1,979.32/x
  3. Step 3: Cross multiply
    6,909.26x = 10,362.92 × 1,979.32
  4. Step 4: Simplify right side
    6,909.26x = 20,511,534.81
  5. Step 5: Solve for x
    x = 20,511,534.81/6,909.26
  6. Step 6: Final answer
    x = 2,968.70

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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.