Home / 5,227.99-7,214.65-2,989.89

Finding the Fourth Proportional to 5,227.99, 7,214.65 and 2,989.89

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Solution

The fourth proportional to 5,227.99, 7,214.65 and 2,989.89 is: 4,126.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,227.99 : 7,214.65 = 2,989.89 : x
  2. Step 2: Convert to fraction form
    5,227.99/7,214.65 = 2,989.89/x
  3. Step 3: Cross multiply
    5,227.99x = 7,214.65 × 2,989.89
  4. Step 4: Simplify right side
    5,227.99x = 21,570,992.63
  5. Step 5: Solve for x
    x = 21,570,992.63/5,227.99
  6. Step 6: Final answer
    x = 4,126.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.