Home / 5,611.32-8,409.15-4,223.04

Finding the Fourth Proportional to 5,611.32, 8,409.15 and 4,223.04

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Solution

The fourth proportional to 5,611.32, 8,409.15 and 4,223.04 is: 6,328.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,611.32 : 8,409.15 = 4,223.04 : x
  2. Step 2: Convert to fraction form
    5,611.32/8,409.15 = 4,223.04/x
  3. Step 3: Cross multiply
    5,611.32x = 8,409.15 × 4,223.04
  4. Step 4: Simplify right side
    5,611.32x = 35,512,176.82
  5. Step 5: Solve for x
    x = 35,512,176.82/5,611.32
  6. Step 6: Final answer
    x = 6,328.67

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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.