Home / 4,927.14-7,389.09-1,639.35

Finding the Fourth Proportional to 4,927.14, 7,389.09 and 1,639.35

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Solution

The fourth proportional to 4,927.14, 7,389.09 and 1,639.35 is: 2,458.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,927.14 : 7,389.09 = 1,639.35 : x
  2. Step 2: Convert to fraction form
    4,927.14/7,389.09 = 1,639.35/x
  3. Step 3: Cross multiply
    4,927.14x = 7,389.09 × 1,639.35
  4. Step 4: Simplify right side
    4,927.14x = 12,113,304.69
  5. Step 5: Solve for x
    x = 12,113,304.69/4,927.14
  6. Step 6: Final answer
    x = 2,458.49

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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.