Home / 8,108.86-11,190.25-4,572.10

Finding the Fourth Proportional to 8,108.86, 11,190.25 and 4,572.10

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Solution

The fourth proportional to 8,108.86, 11,190.25 and 4,572.10 is: 6,309.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,108.86 : 11,190.25 = 4,572.10 : x
  2. Step 2: Convert to fraction form
    8,108.86/11,190.25 = 4,572.10/x
  3. Step 3: Cross multiply
    8,108.86x = 11,190.25 × 4,572.10
  4. Step 4: Simplify right side
    8,108.86x = 51,162,898.78
  5. Step 5: Solve for x
    x = 51,162,898.78/8,108.86
  6. Step 6: Final answer
    x = 6,309.51

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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.