Home / 7,657.62-11,485.86-2,110.80

Finding the Fourth Proportional to 7,657.62, 11,485.86 and 2,110.80

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Solution

The fourth proportional to 7,657.62, 11,485.86 and 2,110.80 is: 3,166.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,657.62 : 11,485.86 = 2,110.80 : x
  2. Step 2: Convert to fraction form
    7,657.62/11,485.86 = 2,110.80/x
  3. Step 3: Cross multiply
    7,657.62x = 11,485.86 × 2,110.80
  4. Step 4: Simplify right side
    7,657.62x = 24,244,353.29
  5. Step 5: Solve for x
    x = 24,244,353.29/7,657.62
  6. Step 6: Final answer
    x = 3,166.04

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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.