Home / 7,897.20-11,864.22-6,790.03

Finding the Fourth Proportional to 7,897.20, 11,864.22 and 6,790.03

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Solution

The fourth proportional to 7,897.20, 11,864.22 and 6,790.03 is: 10,200.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,897.20 : 11,864.22 = 6,790.03 : x
  2. Step 2: Convert to fraction form
    7,897.20/11,864.22 = 6,790.03/x
  3. Step 3: Cross multiply
    7,897.20x = 11,864.22 × 6,790.03
  4. Step 4: Simplify right side
    7,897.20x = 80,558,392.80
  5. Step 5: Solve for x
    x = 80,558,392.80/7,897.20
  6. Step 6: Final answer
    x = 10,200.89

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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.