Home / 5,380.31-8,095.07-3,190.58

Finding the Fourth Proportional to 5,380.31, 8,095.07 and 3,190.58

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Solution

The fourth proportional to 5,380.31, 8,095.07 and 3,190.58 is: 4,800.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,380.31 : 8,095.07 = 3,190.58 : x
  2. Step 2: Convert to fraction form
    5,380.31/8,095.07 = 3,190.58/x
  3. Step 3: Cross multiply
    5,380.31x = 8,095.07 × 3,190.58
  4. Step 4: Simplify right side
    5,380.31x = 25,827,912.01
  5. Step 5: Solve for x
    x = 25,827,912.01/5,380.31
  6. Step 6: Final answer
    x = 4,800.45

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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.