Home / 5,022.10-6,930.55-2,784.02

Finding the Fourth Proportional to 5,022.10, 6,930.55 and 2,784.02

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Solution

The fourth proportional to 5,022.10, 6,930.55 and 2,784.02 is: 3,841.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,022.10 : 6,930.55 = 2,784.02 : x
  2. Step 2: Convert to fraction form
    5,022.10/6,930.55 = 2,784.02/x
  3. Step 3: Cross multiply
    5,022.10x = 6,930.55 × 2,784.02
  4. Step 4: Simplify right side
    5,022.10x = 19,294,789.81
  5. Step 5: Solve for x
    x = 19,294,789.81/5,022.10
  6. Step 6: Final answer
    x = 3,841.98

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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.