Home / 7,047.79-9,726.33-3,904

Finding the Fourth Proportional to 7,047.79, 9,726.33 and 3,904

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Solution

The fourth proportional to 7,047.79, 9,726.33 and 3,904 is: 5,387.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,047.79 : 9,726.33 = 3,904 : x
  2. Step 2: Convert to fraction form
    7,047.79/9,726.33 = 3,904/x
  3. Step 3: Cross multiply
    7,047.79x = 9,726.33 × 3,904
  4. Step 4: Simplify right side
    7,047.79x = 37,971,592.32
  5. Step 5: Solve for x
    x = 37,971,592.32/7,047.79
  6. Step 6: Final answer
    x = 5,387.73

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Why These Related Problems?

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