Home / 8,650.46-11,939.20-6,784.22

Finding the Fourth Proportional to 8,650.46, 11,939.20 and 6,784.22

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Solution

The fourth proportional to 8,650.46, 11,939.20 and 6,784.22 is: 9,363.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,650.46 : 11,939.20 = 6,784.22 : x
  2. Step 2: Convert to fraction form
    8,650.46/11,939.20 = 6,784.22/x
  3. Step 3: Cross multiply
    8,650.46x = 11,939.20 × 6,784.22
  4. Step 4: Simplify right side
    8,650.46x = 80,998,159.42
  5. Step 5: Solve for x
    x = 80,998,159.42/8,650.46
  6. Step 6: Final answer
    x = 9,363.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.