Home / 5,059.56-6,982.12-2,821.60

Finding the Fourth Proportional to 5,059.56, 6,982.12 and 2,821.60

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Solution

The fourth proportional to 5,059.56, 6,982.12 and 2,821.60 is: 3,893.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,059.56 : 6,982.12 = 2,821.60 : x
  2. Step 2: Convert to fraction form
    5,059.56/6,982.12 = 2,821.60/x
  3. Step 3: Cross multiply
    5,059.56x = 6,982.12 × 2,821.60
  4. Step 4: Simplify right side
    5,059.56x = 19,700,749.79
  5. Step 5: Solve for x
    x = 19,700,749.79/5,059.56
  6. Step 6: Final answer
    x = 3,893.77

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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.