Home / 4,578.70-6,861.87-3,340.30

Finding the Fourth Proportional to 4,578.70, 6,861.87 and 3,340.30

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Solution

The fourth proportional to 4,578.70, 6,861.87 and 3,340.30 is: 5,005.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,578.70 : 6,861.87 = 3,340.30 : x
  2. Step 2: Convert to fraction form
    4,578.70/6,861.87 = 3,340.30/x
  3. Step 3: Cross multiply
    4,578.70x = 6,861.87 × 3,340.30
  4. Step 4: Simplify right side
    4,578.70x = 22,920,704.36
  5. Step 5: Solve for x
    x = 22,920,704.36/4,578.70
  6. Step 6: Final answer
    x = 5,005.94

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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.