Home / 4,059.72-6,089.60-1,138.05

Finding the Fourth Proportional to 4,059.72, 6,089.60 and 1,138.05

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Solution

The fourth proportional to 4,059.72, 6,089.60 and 1,138.05 is: 1,707.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,059.72 : 6,089.60 = 1,138.05 : x
  2. Step 2: Convert to fraction form
    4,059.72/6,089.60 = 1,138.05/x
  3. Step 3: Cross multiply
    4,059.72x = 6,089.60 × 1,138.05
  4. Step 4: Simplify right side
    4,059.72x = 6,930,269.28
  5. Step 5: Solve for x
    x = 6,930,269.28/4,059.72
  6. Step 6: Final answer
    x = 1,707.08

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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.