Home / 5,227.02-7,213.13-2,836.89

Finding the Fourth Proportional to 5,227.02, 7,213.13 and 2,836.89

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Solution

The fourth proportional to 5,227.02, 7,213.13 and 2,836.89 is: 3,914.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,227.02 : 7,213.13 = 2,836.89 : x
  2. Step 2: Convert to fraction form
    5,227.02/7,213.13 = 2,836.89/x
  3. Step 3: Cross multiply
    5,227.02x = 7,213.13 × 2,836.89
  4. Step 4: Simplify right side
    5,227.02x = 20,462,852.82
  5. Step 5: Solve for x
    x = 20,462,852.82/5,227.02
  6. Step 6: Final answer
    x = 3,914.82

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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.