Home / 5,131.67-7,082.33-2,893.50

Finding the Fourth Proportional to 5,131.67, 7,082.33 and 2,893.50

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Solution

The fourth proportional to 5,131.67, 7,082.33 and 2,893.50 is: 3,993.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,131.67 : 7,082.33 = 2,893.50 : x
  2. Step 2: Convert to fraction form
    5,131.67/7,082.33 = 2,893.50/x
  3. Step 3: Cross multiply
    5,131.67x = 7,082.33 × 2,893.50
  4. Step 4: Simplify right side
    5,131.67x = 20,492,701.71
  5. Step 5: Solve for x
    x = 20,492,701.71/5,131.67
  6. Step 6: Final answer
    x = 3,993.38

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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.