Home / 9,289.29-13,928.75-3,047.63

Finding the Fourth Proportional to 9,289.29, 13,928.75 and 3,047.63

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Solution

The fourth proportional to 9,289.29, 13,928.75 and 3,047.63 is: 4,569.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,289.29 : 13,928.75 = 3,047.63 : x
  2. Step 2: Convert to fraction form
    9,289.29/13,928.75 = 3,047.63/x
  3. Step 3: Cross multiply
    9,289.29x = 13,928.75 × 3,047.63
  4. Step 4: Simplify right side
    9,289.29x = 42,449,591.48
  5. Step 5: Solve for x
    x = 42,449,591.48/9,289.29
  6. Step 6: Final answer
    x = 4,569.73

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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.