Home / 4,916.23-6,784.34-2,678.09

Finding the Fourth Proportional to 4,916.23, 6,784.34 and 2,678.09

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Solution

The fourth proportional to 4,916.23, 6,784.34 and 2,678.09 is: 3,695.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,916.23 : 6,784.34 = 2,678.09 : x
  2. Step 2: Convert to fraction form
    4,916.23/6,784.34 = 2,678.09/x
  3. Step 3: Cross multiply
    4,916.23x = 6,784.34 × 2,678.09
  4. Step 4: Simplify right side
    4,916.23x = 18,169,025.80
  5. Step 5: Solve for x
    x = 18,169,025.80/4,916.23
  6. Step 6: Final answer
    x = 3,695.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.