Home / 5,784.17-7,982.16-3,131.60

Finding the Fourth Proportional to 5,784.17, 7,982.16 and 3,131.60

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Solution

The fourth proportional to 5,784.17, 7,982.16 and 3,131.60 is: 4,321.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,784.17 : 7,982.16 = 3,131.60 : x
  2. Step 2: Convert to fraction form
    5,784.17/7,982.16 = 3,131.60/x
  3. Step 3: Cross multiply
    5,784.17x = 7,982.16 × 3,131.60
  4. Step 4: Simplify right side
    5,784.17x = 24,996,943.12
  5. Step 5: Solve for x
    x = 24,996,943.12/5,784.17
  6. Step 6: Final answer
    x = 4,321.62

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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.