Home / 7,214.17-10,822.65-2,771.51

Finding the Fourth Proportional to 7,214.17, 10,822.65 and 2,771.51

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Solution

The fourth proportional to 7,214.17, 10,822.65 and 2,771.51 is: 4,157.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,214.17 : 10,822.65 = 2,771.51 : x
  2. Step 2: Convert to fraction form
    7,214.17/10,822.65 = 2,771.51/x
  3. Step 3: Cross multiply
    7,214.17x = 10,822.65 × 2,771.51
  4. Step 4: Simplify right side
    7,214.17x = 29,995,072.02
  5. Step 5: Solve for x
    x = 29,995,072.02/7,214.17
  6. Step 6: Final answer
    x = 4,157.80

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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.