Home / 7,189.38-10,784.50-2,259.20

Finding the Fourth Proportional to 7,189.38, 10,784.50 and 2,259.20

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Solution

The fourth proportional to 7,189.38, 10,784.50 and 2,259.20 is: 3,388.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,189.38 : 10,784.50 = 2,259.20 : x
  2. Step 2: Convert to fraction form
    7,189.38/10,784.50 = 2,259.20/x
  3. Step 3: Cross multiply
    7,189.38x = 10,784.50 × 2,259.20
  4. Step 4: Simplify right side
    7,189.38x = 24,364,342.40
  5. Step 5: Solve for x
    x = 24,364,342.40/7,189.38
  6. Step 6: Final answer
    x = 3,388.94

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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.