Home / 7,632.45-11,447.47-2,086.22

Finding the Fourth Proportional to 7,632.45, 11,447.47 and 2,086.22

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Solution

The fourth proportional to 7,632.45, 11,447.47 and 2,086.22 is: 3,129.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,632.45 : 11,447.47 = 2,086.22 : x
  2. Step 2: Convert to fraction form
    7,632.45/11,447.47 = 2,086.22/x
  3. Step 3: Cross multiply
    7,632.45x = 11,447.47 × 2,086.22
  4. Step 4: Simplify right side
    7,632.45x = 23,881,940.86
  5. Step 5: Solve for x
    x = 23,881,940.86/7,632.45
  6. Step 6: Final answer
    x = 3,129.00

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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.