Home / 7,189.35-10,783.87-1,924.36

Finding the Fourth Proportional to 7,189.35, 10,783.87 and 1,924.36

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Solution

The fourth proportional to 7,189.35, 10,783.87 and 1,924.36 is: 2,886.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,189.35 : 10,783.87 = 1,924.36 : x
  2. Step 2: Convert to fraction form
    7,189.35/10,783.87 = 1,924.36/x
  3. Step 3: Cross multiply
    7,189.35x = 10,783.87 × 1,924.36
  4. Step 4: Simplify right side
    7,189.35x = 20,752,016.30
  5. Step 5: Solve for x
    x = 20,752,016.30/7,189.35
  6. Step 6: Final answer
    x = 2,886.49

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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.