Home / 7,189.48-10,780.62-2,259.06

Finding the Fourth Proportional to 7,189.48, 10,780.62 and 2,259.06

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Solution

The fourth proportional to 7,189.48, 10,780.62 and 2,259.06 is: 3,387.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,189.48 : 10,780.62 = 2,259.06 : x
  2. Step 2: Convert to fraction form
    7,189.48/10,780.62 = 2,259.06/x
  3. Step 3: Cross multiply
    7,189.48x = 10,780.62 × 2,259.06
  4. Step 4: Simplify right side
    7,189.48x = 24,354,067.42
  5. Step 5: Solve for x
    x = 24,354,067.42/7,189.48
  6. Step 6: Final answer
    x = 3,387.46

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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.