Home / 7,873.38-11,810.70-2,608.18

Finding the Fourth Proportional to 7,873.38, 11,810.70 and 2,608.18

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Solution

The fourth proportional to 7,873.38, 11,810.70 and 2,608.18 is: 3,912.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,873.38 : 11,810.70 = 2,608.18 : x
  2. Step 2: Convert to fraction form
    7,873.38/11,810.70 = 2,608.18/x
  3. Step 3: Cross multiply
    7,873.38x = 11,810.70 × 2,608.18
  4. Step 4: Simplify right side
    7,873.38x = 30,804,402.00
  5. Step 5: Solve for x
    x = 30,804,402.00/7,873.38
  6. Step 6: Final answer
    x = 3,912.47

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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.