Home / 5,571.53-8,355.93-1,621.73

Finding the Fourth Proportional to 5,571.53, 8,355.93 and 1,621.73

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Solution

The fourth proportional to 5,571.53, 8,355.93 and 1,621.73 is: 2,432.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,571.53 : 8,355.93 = 1,621.73 : x
  2. Step 2: Convert to fraction form
    5,571.53/8,355.93 = 1,621.73/x
  3. Step 3: Cross multiply
    5,571.53x = 8,355.93 × 1,621.73
  4. Step 4: Simplify right side
    5,571.53x = 13,551,020.58
  5. Step 5: Solve for x
    x = 13,551,020.58/5,571.53
  6. Step 6: Final answer
    x = 2,432.19

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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.