Home / 9,320.73-13,981.08-2,746.98

Finding the Fourth Proportional to 9,320.73, 13,981.08 and 2,746.98

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Solution

The fourth proportional to 9,320.73, 13,981.08 and 2,746.98 is: 4,120.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,320.73 : 13,981.08 = 2,746.98 : x
  2. Step 2: Convert to fraction form
    9,320.73/13,981.08 = 2,746.98/x
  3. Step 3: Cross multiply
    9,320.73x = 13,981.08 × 2,746.98
  4. Step 4: Simplify right side
    9,320.73x = 38,405,747.14
  5. Step 5: Solve for x
    x = 38,405,747.14/9,320.73
  6. Step 6: Final answer
    x = 4,120.47

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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.