Home / 4,872.17-7,307.04-1,911.21

Finding the Fourth Proportional to 4,872.17, 7,307.04 and 1,911.21

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Solution

The fourth proportional to 4,872.17, 7,307.04 and 1,911.21 is: 2,866.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,872.17 : 7,307.04 = 1,911.21 : x
  2. Step 2: Convert to fraction form
    4,872.17/7,307.04 = 1,911.21/x
  3. Step 3: Cross multiply
    4,872.17x = 7,307.04 × 1,911.21
  4. Step 4: Simplify right side
    4,872.17x = 13,965,296.63
  5. Step 5: Solve for x
    x = 13,965,296.63/4,872.17
  6. Step 6: Final answer
    x = 2,866.34

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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.