Home / 5,214.34-7,821.06-1,927.46

Finding the Fourth Proportional to 5,214.34, 7,821.06 and 1,927.46

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Solution

The fourth proportional to 5,214.34, 7,821.06 and 1,927.46 is: 2,891.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,214.34 : 7,821.06 = 1,927.46 : x
  2. Step 2: Convert to fraction form
    5,214.34/7,821.06 = 1,927.46/x
  3. Step 3: Cross multiply
    5,214.34x = 7,821.06 × 1,927.46
  4. Step 4: Simplify right side
    5,214.34x = 15,074,792.63
  5. Step 5: Solve for x
    x = 15,074,792.63/5,214.34
  6. Step 6: Final answer
    x = 2,891.03

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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.