Home / 5,441.31-8,149.58-5,318.31

Finding the Fourth Proportional to 5,441.31, 8,149.58 and 5,318.31

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Solution

The fourth proportional to 5,441.31, 8,149.58 and 5,318.31 is: 7,965.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,441.31 : 8,149.58 = 5,318.31 : x
  2. Step 2: Convert to fraction form
    5,441.31/8,149.58 = 5,318.31/x
  3. Step 3: Cross multiply
    5,441.31x = 8,149.58 × 5,318.31
  4. Step 4: Simplify right side
    5,441.31x = 43,341,966.22
  5. Step 5: Solve for x
    x = 43,341,966.22/5,441.31
  6. Step 6: Final answer
    x = 7,965.36

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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.