Home / 7,873.59-11,812.20-2,608.38

Finding the Fourth Proportional to 7,873.59, 11,812.20 and 2,608.38

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Solution

The fourth proportional to 7,873.59, 11,812.20 and 2,608.38 is: 3,913.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,873.59 : 11,812.20 = 2,608.38 : x
  2. Step 2: Convert to fraction form
    7,873.59/11,812.20 = 2,608.38/x
  3. Step 3: Cross multiply
    7,873.59x = 11,812.20 × 2,608.38
  4. Step 4: Simplify right side
    7,873.59x = 30,810,706.24
  5. Step 5: Solve for x
    x = 30,810,706.24/7,873.59
  6. Step 6: Final answer
    x = 3,913.17

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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.