Home / 7,189.52-10,783.96-1,995.28

Finding the Fourth Proportional to 7,189.52, 10,783.96 and 1,995.28

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Solution

The fourth proportional to 7,189.52, 10,783.96 and 1,995.28 is: 2,992.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,189.52 : 10,783.96 = 1,995.28 : x
  2. Step 2: Convert to fraction form
    7,189.52/10,783.96 = 1,995.28/x
  3. Step 3: Cross multiply
    7,189.52x = 10,783.96 × 1,995.28
  4. Step 4: Simplify right side
    7,189.52x = 21,517,019.71
  5. Step 5: Solve for x
    x = 21,517,019.71/7,189.52
  6. Step 6: Final answer
    x = 2,992.83

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Similar ratio
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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.