Home / 7,828.07-11,726.97-4,867.70

Finding the Fourth Proportional to 7,828.07, 11,726.97 and 4,867.70

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Solution

The fourth proportional to 7,828.07, 11,726.97 and 4,867.70 is: 7,292.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,828.07 : 11,726.97 = 4,867.70 : x
  2. Step 2: Convert to fraction form
    7,828.07/11,726.97 = 4,867.70/x
  3. Step 3: Cross multiply
    7,828.07x = 11,726.97 × 4,867.70
  4. Step 4: Simplify right side
    7,828.07x = 57,083,339.77
  5. Step 5: Solve for x
    x = 57,083,339.77/7,828.07
  6. Step 6: Final answer
    x = 7,292.13

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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.