Home / 5,022.60-6,930.45-2,784.30

Finding the Fourth Proportional to 5,022.60, 6,930.45 and 2,784.30

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Solution

The fourth proportional to 5,022.60, 6,930.45 and 2,784.30 is: 3,841.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,022.60 : 6,930.45 = 2,784.30 : x
  2. Step 2: Convert to fraction form
    5,022.60/6,930.45 = 2,784.30/x
  3. Step 3: Cross multiply
    5,022.60x = 6,930.45 × 2,784.30
  4. Step 4: Simplify right side
    5,022.60x = 19,296,451.94
  5. Step 5: Solve for x
    x = 19,296,451.94/5,022.60
  6. Step 6: Final answer
    x = 3,841.92

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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.