Home / 7,815.48-11,726.19-5,047.44

Finding the Fourth Proportional to 7,815.48, 11,726.19 and 5,047.44

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Solution

The fourth proportional to 7,815.48, 11,726.19 and 5,047.44 is: 7,573.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,815.48 : 11,726.19 = 5,047.44 : x
  2. Step 2: Convert to fraction form
    7,815.48/11,726.19 = 5,047.44/x
  3. Step 3: Cross multiply
    7,815.48x = 11,726.19 × 5,047.44
  4. Step 4: Simplify right side
    7,815.48x = 59,187,240.45
  5. Step 5: Solve for x
    x = 59,187,240.45/7,815.48
  6. Step 6: Final answer
    x = 7,573.08

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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.