Home / 5,307.72-7,959.14-2,934.21

Finding the Fourth Proportional to 5,307.72, 7,959.14 and 2,934.21

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Solution

The fourth proportional to 5,307.72, 7,959.14 and 2,934.21 is: 4,399.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,307.72 : 7,959.14 = 2,934.21 : x
  2. Step 2: Convert to fraction form
    5,307.72/7,959.14 = 2,934.21/x
  3. Step 3: Cross multiply
    5,307.72x = 7,959.14 × 2,934.21
  4. Step 4: Simplify right side
    5,307.72x = 23,353,788.18
  5. Step 5: Solve for x
    x = 23,353,788.18/5,307.72
  6. Step 6: Final answer
    x = 4,399.97

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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.