Home / 5,441.31-8,163.45-1,545.75

Finding the Fourth Proportional to 5,441.31, 8,163.45 and 1,545.75

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Solution

The fourth proportional to 5,441.31, 8,163.45 and 1,545.75 is: 2,319.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,441.31 : 8,163.45 = 1,545.75 : x
  2. Step 2: Convert to fraction form
    5,441.31/8,163.45 = 1,545.75/x
  3. Step 3: Cross multiply
    5,441.31x = 8,163.45 × 1,545.75
  4. Step 4: Simplify right side
    5,441.31x = 12,618,652.84
  5. Step 5: Solve for x
    x = 12,618,652.84/5,441.31
  6. Step 6: Final answer
    x = 2,319.05

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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.