Home / 5,072.90-7,000.93-2,834.87

Finding the Fourth Proportional to 5,072.90, 7,000.93 and 2,834.87

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Solution

The fourth proportional to 5,072.90, 7,000.93 and 2,834.87 is: 3,912.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,072.90 : 7,000.93 = 2,834.87 : x
  2. Step 2: Convert to fraction form
    5,072.90/7,000.93 = 2,834.87/x
  3. Step 3: Cross multiply
    5,072.90x = 7,000.93 × 2,834.87
  4. Step 4: Simplify right side
    5,072.90x = 19,846,734.35
  5. Step 5: Solve for x
    x = 19,846,734.35/5,072.90
  6. Step 6: Final answer
    x = 3,912.30

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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.