Home / 5,713.02-7,881.21-3,591.18

Finding the Fourth Proportional to 5,713.02, 7,881.21 and 3,591.18

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Solution

The fourth proportional to 5,713.02, 7,881.21 and 3,591.18 is: 4,954.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,713.02 : 7,881.21 = 3,591.18 : x
  2. Step 2: Convert to fraction form
    5,713.02/7,881.21 = 3,591.18/x
  3. Step 3: Cross multiply
    5,713.02x = 7,881.21 × 3,591.18
  4. Step 4: Simplify right side
    5,713.02x = 28,302,843.73
  5. Step 5: Solve for x
    x = 28,302,843.73/5,713.02
  6. Step 6: Final answer
    x = 4,954.09

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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.