Home / 8,109.16-11,190.62-4,572.37

Finding the Fourth Proportional to 8,109.16, 11,190.62 and 4,572.37

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Solution

The fourth proportional to 8,109.16, 11,190.62 and 4,572.37 is: 6,309.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,109.16 : 11,190.62 = 4,572.37 : x
  2. Step 2: Convert to fraction form
    8,109.16/11,190.62 = 4,572.37/x
  3. Step 3: Cross multiply
    8,109.16x = 11,190.62 × 4,572.37
  4. Step 4: Simplify right side
    8,109.16x = 51,167,655.17
  5. Step 5: Solve for x
    x = 51,167,655.17/8,109.16
  6. Step 6: Final answer
    x = 6,309.86

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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.