Home / 7,731.06-11,596.42-1,887.66

Finding the Fourth Proportional to 7,731.06, 11,596.42 and 1,887.66

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Solution

The fourth proportional to 7,731.06, 11,596.42 and 1,887.66 is: 2,831.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,731.06 : 11,596.42 = 1,887.66 : x
  2. Step 2: Convert to fraction form
    7,731.06/11,596.42 = 1,887.66/x
  3. Step 3: Cross multiply
    7,731.06x = 11,596.42 × 1,887.66
  4. Step 4: Simplify right side
    7,731.06x = 21,890,098.18
  5. Step 5: Solve for x
    x = 21,890,098.18/7,731.06
  6. Step 6: Final answer
    x = 2,831.45

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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.