Home / 5,441.28-8,161.56-1,545.36

Finding the Fourth Proportional to 5,441.28, 8,161.56 and 1,545.36

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Solution

The fourth proportional to 5,441.28, 8,161.56 and 1,545.36 is: 2,317.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,441.28 : 8,161.56 = 1,545.36 : x
  2. Step 2: Convert to fraction form
    5,441.28/8,161.56 = 1,545.36/x
  3. Step 3: Cross multiply
    5,441.28x = 8,161.56 × 1,545.36
  4. Step 4: Simplify right side
    5,441.28x = 12,612,548.36
  5. Step 5: Solve for x
    x = 12,612,548.36/5,441.28
  6. Step 6: Final answer
    x = 2,317.94

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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.