Home / 5,440.55-8,166.90-4,213.40

Finding the Fourth Proportional to 5,440.55, 8,166.90 and 4,213.40

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Solution

The fourth proportional to 5,440.55, 8,166.90 and 4,213.40 is: 6,324.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,440.55 : 8,166.90 = 4,213.40 : x
  2. Step 2: Convert to fraction form
    5,440.55/8,166.90 = 4,213.40/x
  3. Step 3: Cross multiply
    5,440.55x = 8,166.90 × 4,213.40
  4. Step 4: Simplify right side
    5,440.55x = 34,410,416.46
  5. Step 5: Solve for x
    x = 34,410,416.46/5,440.55
  6. Step 6: Final answer
    x = 6,324.80

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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.