Home / 7,189.89-10,784.92-2,509.91

Finding the Fourth Proportional to 7,189.89, 10,784.92 and 2,509.91

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Solution

The fourth proportional to 7,189.89, 10,784.92 and 2,509.91 is: 3,764.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,189.89 : 10,784.92 = 2,509.91 : x
  2. Step 2: Convert to fraction form
    7,189.89/10,784.92 = 2,509.91/x
  3. Step 3: Cross multiply
    7,189.89x = 10,784.92 × 2,509.91
  4. Step 4: Simplify right side
    7,189.89x = 27,069,168.21
  5. Step 5: Solve for x
    x = 27,069,168.21/7,189.89
  6. Step 6: Final answer
    x = 3,764.89

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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.