Home / 5,342.85-8,014.86-1,447.56

Finding the Fourth Proportional to 5,342.85, 8,014.86 and 1,447.56

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Solution

The fourth proportional to 5,342.85, 8,014.86 and 1,447.56 is: 2,171.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,342.85 : 8,014.86 = 1,447.56 : x
  2. Step 2: Convert to fraction form
    5,342.85/8,014.86 = 1,447.56/x
  3. Step 3: Cross multiply
    5,342.85x = 8,014.86 × 1,447.56
  4. Step 4: Simplify right side
    5,342.85x = 11,601,990.74
  5. Step 5: Solve for x
    x = 11,601,990.74/5,342.85
  6. Step 6: Final answer
    x = 2,171.50

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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.