Home / 6,905.50-10,341.78-3,977.67

Finding the Fourth Proportional to 6,905.50, 10,341.78 and 3,977.67

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Solution

The fourth proportional to 6,905.50, 10,341.78 and 3,977.67 is: 5,957.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,905.50 : 10,341.78 = 3,977.67 : x
  2. Step 2: Convert to fraction form
    6,905.50/10,341.78 = 3,977.67/x
  3. Step 3: Cross multiply
    6,905.50x = 10,341.78 × 3,977.67
  4. Step 4: Simplify right side
    6,905.50x = 41,136,188.05
  5. Step 5: Solve for x
    x = 41,136,188.05/6,905.50
  6. Step 6: Final answer
    x = 5,957.02

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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.