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Finding the Fourth Proportional to 7,047.99, 9,726.17 and 3,904.11

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Solution

The fourth proportional to 7,047.99, 9,726.17 and 3,904.11 is: 5,387.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,047.99 : 9,726.17 = 3,904.11 : x
  2. Step 2: Convert to fraction form
    7,047.99/9,726.17 = 3,904.11/x
  3. Step 3: Cross multiply
    7,047.99x = 9,726.17 × 3,904.11
  4. Step 4: Simplify right side
    7,047.99x = 37,972,018.04
  5. Step 5: Solve for x
    x = 37,972,018.04/7,047.99
  6. Step 6: Final answer
    x = 5,387.64

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.