Home / 5,289.50-7,936.84-3,739.46

Finding the Fourth Proportional to 5,289.50, 7,936.84 and 3,739.46

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Solution

The fourth proportional to 5,289.50, 7,936.84 and 3,739.46 is: 5,611.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,289.50 : 7,936.84 = 3,739.46 : x
  2. Step 2: Convert to fraction form
    5,289.50/7,936.84 = 3,739.46/x
  3. Step 3: Cross multiply
    5,289.50x = 7,936.84 × 3,739.46
  4. Step 4: Simplify right side
    5,289.50x = 29,679,495.71
  5. Step 5: Solve for x
    x = 29,679,495.71/5,289.50
  6. Step 6: Final answer
    x = 5,611.02

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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.