Home / 4,916.69-6,785.03-2,821.49

Finding the Fourth Proportional to 4,916.69, 6,785.03 and 2,821.49

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Solution

The fourth proportional to 4,916.69, 6,785.03 and 2,821.49 is: 3,893.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,916.69 : 6,785.03 = 2,821.49 : x
  2. Step 2: Convert to fraction form
    4,916.69/6,785.03 = 2,821.49/x
  3. Step 3: Cross multiply
    4,916.69x = 6,785.03 × 2,821.49
  4. Step 4: Simplify right side
    4,916.69x = 19,143,894.29
  5. Step 5: Solve for x
    x = 19,143,894.29/4,916.69
  6. Step 6: Final answer
    x = 3,893.65

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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.