Home / 5,285.10-7,276.79-4,022.11

Finding the Fourth Proportional to 5,285.10, 7,276.79 and 4,022.11

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Solution

The fourth proportional to 5,285.10, 7,276.79 and 4,022.11 is: 5,537.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,285.10 : 7,276.79 = 4,022.11 : x
  2. Step 2: Convert to fraction form
    5,285.10/7,276.79 = 4,022.11/x
  3. Step 3: Cross multiply
    5,285.10x = 7,276.79 × 4,022.11
  4. Step 4: Simplify right side
    5,285.10x = 29,268,005.42
  5. Step 5: Solve for x
    x = 29,268,005.42/5,285.10
  6. Step 6: Final answer
    x = 5,537.84

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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.