Home / 5,374.31-8,059.94-2,086.70

Finding the Fourth Proportional to 5,374.31, 8,059.94 and 2,086.70

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Solution

The fourth proportional to 5,374.31, 8,059.94 and 2,086.70 is: 3,129.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,374.31 : 8,059.94 = 2,086.70 : x
  2. Step 2: Convert to fraction form
    5,374.31/8,059.94 = 2,086.70/x
  3. Step 3: Cross multiply
    5,374.31x = 8,059.94 × 2,086.70
  4. Step 4: Simplify right side
    5,374.31x = 16,818,666.36
  5. Step 5: Solve for x
    x = 16,818,666.36/5,374.31
  6. Step 6: Final answer
    x = 3,129.46

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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.