Home / 4,916.60-6,784.78-2,678.52

Finding the Fourth Proportional to 4,916.60, 6,784.78 and 2,678.52

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Solution

The fourth proportional to 4,916.60, 6,784.78 and 2,678.52 is: 3,696.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,916.60 : 6,784.78 = 2,678.52 : x
  2. Step 2: Convert to fraction form
    4,916.60/6,784.78 = 2,678.52/x
  3. Step 3: Cross multiply
    4,916.60x = 6,784.78 × 2,678.52
  4. Step 4: Simplify right side
    4,916.60x = 18,173,168.93
  5. Step 5: Solve for x
    x = 18,173,168.93/4,916.60
  6. Step 6: Final answer
    x = 3,696.29

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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.