Home / 5,611.29-8,405.46-4,503.21

Finding the Fourth Proportional to 5,611.29, 8,405.46 and 4,503.21

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Solution

The fourth proportional to 5,611.29, 8,405.46 and 4,503.21 is: 6,745.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,611.29 : 8,405.46 = 4,503.21 : x
  2. Step 2: Convert to fraction form
    5,611.29/8,405.46 = 4,503.21/x
  3. Step 3: Cross multiply
    5,611.29x = 8,405.46 × 4,503.21
  4. Step 4: Simplify right side
    5,611.29x = 37,851,551.53
  5. Step 5: Solve for x
    x = 37,851,551.53/5,611.29
  6. Step 6: Final answer
    x = 6,745.61

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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.