Home / 9,928.27-14,887.80-4,383.21

Finding the Fourth Proportional to 9,928.27, 14,887.80 and 4,383.21

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Solution

The fourth proportional to 9,928.27, 14,887.80 and 4,383.21 is: 6,572.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,928.27 : 14,887.80 = 4,383.21 : x
  2. Step 2: Convert to fraction form
    9,928.27/14,887.80 = 4,383.21/x
  3. Step 3: Cross multiply
    9,928.27x = 14,887.80 × 4,383.21
  4. Step 4: Simplify right side
    9,928.27x = 65,256,409.67
  5. Step 5: Solve for x
    x = 65,256,409.67/9,928.27
  6. Step 6: Final answer
    x = 6,572.79

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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.