Home / 7,214.29-10,822.83-2,771.63

Finding the Fourth Proportional to 7,214.29, 10,822.83 and 2,771.63

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Solution

The fourth proportional to 7,214.29, 10,822.83 and 2,771.63 is: 4,157.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,214.29 : 10,822.83 = 2,771.63 : x
  2. Step 2: Convert to fraction form
    7,214.29/10,822.83 = 2,771.63/x
  3. Step 3: Cross multiply
    7,214.29x = 10,822.83 × 2,771.63
  4. Step 4: Simplify right side
    7,214.29x = 29,996,880.31
  5. Step 5: Solve for x
    x = 29,996,880.31/7,214.29
  6. Step 6: Final answer
    x = 4,157.98

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1.5x scale

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.