Home / 7,525.92-11,287.98-1,979.69

Finding the Fourth Proportional to 7,525.92, 11,287.98 and 1,979.69

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Solution

The fourth proportional to 7,525.92, 11,287.98 and 1,979.69 is: 2,969.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,525.92 : 11,287.98 = 1,979.69 : x
  2. Step 2: Convert to fraction form
    7,525.92/11,287.98 = 1,979.69/x
  3. Step 3: Cross multiply
    7,525.92x = 11,287.98 × 1,979.69
  4. Step 4: Simplify right side
    7,525.92x = 22,346,691.23
  5. Step 5: Solve for x
    x = 22,346,691.23/7,525.92
  6. Step 6: Final answer
    x = 2,969.30

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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.