Home / 4,916.99-6,785.21-2,678.86

Finding the Fourth Proportional to 4,916.99, 6,785.21 and 2,678.86

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Solution

The fourth proportional to 4,916.99, 6,785.21 and 2,678.86 is: 3,696.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,916.99 : 6,785.21 = 2,678.86 : x
  2. Step 2: Convert to fraction form
    4,916.99/6,785.21 = 2,678.86/x
  3. Step 3: Cross multiply
    4,916.99x = 6,785.21 × 2,678.86
  4. Step 4: Simplify right side
    4,916.99x = 18,176,593.73
  5. Step 5: Solve for x
    x = 18,176,593.73/4,916.99
  6. Step 6: Final answer
    x = 3,696.69

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1.5x scale

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.