Home / 4,865.06-7,291.43-3,109.38

Finding the Fourth Proportional to 4,865.06, 7,291.43 and 3,109.38

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Solution

The fourth proportional to 4,865.06, 7,291.43 and 3,109.38 is: 4,660.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,865.06 : 7,291.43 = 3,109.38 : x
  2. Step 2: Convert to fraction form
    4,865.06/7,291.43 = 3,109.38/x
  3. Step 3: Cross multiply
    4,865.06x = 7,291.43 × 3,109.38
  4. Step 4: Simplify right side
    4,865.06x = 22,671,811.07
  5. Step 5: Solve for x
    x = 22,671,811.07/4,865.06
  6. Step 6: Final answer
    x = 4,660.13

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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.