Home / 9,280.78-13,921.64-2,707.46

Finding the Fourth Proportional to 9,280.78, 13,921.64 and 2,707.46

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Solution

The fourth proportional to 9,280.78, 13,921.64 and 2,707.46 is: 4,061.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,280.78 : 13,921.64 = 2,707.46 : x
  2. Step 2: Convert to fraction form
    9,280.78/13,921.64 = 2,707.46/x
  3. Step 3: Cross multiply
    9,280.78x = 13,921.64 × 2,707.46
  4. Step 4: Simplify right side
    9,280.78x = 37,692,262.65
  5. Step 5: Solve for x
    x = 37,692,262.65/9,280.78
  6. Step 6: Final answer
    x = 4,061.33

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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.