Home / 7,632.31-11,447.70-2,086.15

Finding the Fourth Proportional to 7,632.31, 11,447.70 and 2,086.15

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Solution

The fourth proportional to 7,632.31, 11,447.70 and 2,086.15 is: 3,129.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,632.31 : 11,447.70 = 2,086.15 : x
  2. Step 2: Convert to fraction form
    7,632.31/11,447.70 = 2,086.15/x
  3. Step 3: Cross multiply
    7,632.31x = 11,447.70 × 2,086.15
  4. Step 4: Simplify right side
    7,632.31x = 23,881,619.36
  5. Step 5: Solve for x
    x = 23,881,619.36/7,632.31
  6. Step 6: Final answer
    x = 3,129.02

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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.