Home / 6,129.62-9,190.32-2,430.86

Finding the Fourth Proportional to 6,129.62, 9,190.32 and 2,430.86

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Solution

The fourth proportional to 6,129.62, 9,190.32 and 2,430.86 is: 3,644.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,129.62 : 9,190.32 = 2,430.86 : x
  2. Step 2: Convert to fraction form
    6,129.62/9,190.32 = 2,430.86/x
  3. Step 3: Cross multiply
    6,129.62x = 9,190.32 × 2,430.86
  4. Step 4: Simplify right side
    6,129.62x = 22,340,335.32
  5. Step 5: Solve for x
    x = 22,340,335.32/6,129.62
  6. Step 6: Final answer
    x = 3,644.66

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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.