Home / 9,323.98-13,981.07-2,749.28

Finding the Fourth Proportional to 9,323.98, 13,981.07 and 2,749.28

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Solution

The fourth proportional to 9,323.98, 13,981.07 and 2,749.28 is: 4,122.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,323.98 : 13,981.07 = 2,749.28 : x
  2. Step 2: Convert to fraction form
    9,323.98/13,981.07 = 2,749.28/x
  3. Step 3: Cross multiply
    9,323.98x = 13,981.07 × 2,749.28
  4. Step 4: Simplify right side
    9,323.98x = 38,437,813.10
  5. Step 5: Solve for x
    x = 38,437,813.10/9,323.98
  6. Step 6: Final answer
    x = 4,122.47

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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.