Home / 4,977.69-7,464.02-2,785.83

Finding the Fourth Proportional to 4,977.69, 7,464.02 and 2,785.83

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Solution

The fourth proportional to 4,977.69, 7,464.02 and 2,785.83 is: 4,177.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,977.69 : 7,464.02 = 2,785.83 : x
  2. Step 2: Convert to fraction form
    4,977.69/7,464.02 = 2,785.83/x
  3. Step 3: Cross multiply
    4,977.69x = 7,464.02 × 2,785.83
  4. Step 4: Simplify right side
    4,977.69x = 20,793,476.91
  5. Step 5: Solve for x
    x = 20,793,476.91/4,977.69
  6. Step 6: Final answer
    x = 4,177.33

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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.