Home / 5,307.14-7,958.82-2,021.12

Finding the Fourth Proportional to 5,307.14, 7,958.82 and 2,021.12

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Solution

The fourth proportional to 5,307.14, 7,958.82 and 2,021.12 is: 3,030.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,307.14 : 7,958.82 = 2,021.12 : x
  2. Step 2: Convert to fraction form
    5,307.14/7,958.82 = 2,021.12/x
  3. Step 3: Cross multiply
    5,307.14x = 7,958.82 × 2,021.12
  4. Step 4: Simplify right side
    5,307.14x = 16,085,730.28
  5. Step 5: Solve for x
    x = 16,085,730.28/5,307.14
  6. Step 6: Final answer
    x = 3,030.96

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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.