Home / 5,607.75-7,738.61-3,217.67

Finding the Fourth Proportional to 5,607.75, 7,738.61 and 3,217.67

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Solution

The fourth proportional to 5,607.75, 7,738.61 and 3,217.67 is: 4,440.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,607.75 : 7,738.61 = 3,217.67 : x
  2. Step 2: Convert to fraction form
    5,607.75/7,738.61 = 3,217.67/x
  3. Step 3: Cross multiply
    5,607.75x = 7,738.61 × 3,217.67
  4. Step 4: Simplify right side
    5,607.75x = 24,900,285.58
  5. Step 5: Solve for x
    x = 24,900,285.58/5,607.75
  6. Step 6: Final answer
    x = 4,440.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.