Home / 5,374.36-8,059.92-2,086.72

Finding the Fourth Proportional to 5,374.36, 8,059.92 and 2,086.72

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Solution

The fourth proportional to 5,374.36, 8,059.92 and 2,086.72 is: 3,129.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,374.36 : 8,059.92 = 2,086.72 : x
  2. Step 2: Convert to fraction form
    5,374.36/8,059.92 = 2,086.72/x
  3. Step 3: Cross multiply
    5,374.36x = 8,059.92 × 2,086.72
  4. Step 4: Simplify right side
    5,374.36x = 16,818,796.26
  5. Step 5: Solve for x
    x = 16,818,796.26/5,374.36
  6. Step 6: Final answer
    x = 3,129.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.