Home / 7,218.06-10,827.33-3,114.06

Finding the Fourth Proportional to 7,218.06, 10,827.33 and 3,114.06

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Solution

The fourth proportional to 7,218.06, 10,827.33 and 3,114.06 is: 4,671.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,218.06 : 10,827.33 = 3,114.06 : x
  2. Step 2: Convert to fraction form
    7,218.06/10,827.33 = 3,114.06/x
  3. Step 3: Cross multiply
    7,218.06x = 10,827.33 × 3,114.06
  4. Step 4: Simplify right side
    7,218.06x = 33,716,955.26
  5. Step 5: Solve for x
    x = 33,716,955.26/7,218.06
  6. Step 6: Final answer
    x = 4,671.19

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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.