Home / 9,288.90-13,923.56-3,047.28

Finding the Fourth Proportional to 9,288.90, 13,923.56 and 3,047.28

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Solution

The fourth proportional to 9,288.90, 13,923.56 and 3,047.28 is: 4,567.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,288.90 : 13,923.56 = 3,047.28 : x
  2. Step 2: Convert to fraction form
    9,288.90/13,923.56 = 3,047.28/x
  3. Step 3: Cross multiply
    9,288.90x = 13,923.56 × 3,047.28
  4. Step 4: Simplify right side
    9,288.90x = 42,428,985.92
  5. Step 5: Solve for x
    x = 42,428,985.92/9,288.90
  6. Step 6: Final answer
    x = 4,567.71

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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.