Home / 4,579.70-6,853.35-4,190.90

Finding the Fourth Proportional to 4,579.70, 6,853.35 and 4,190.90

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Solution

The fourth proportional to 4,579.70, 6,853.35 and 4,190.90 is: 6,271.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,579.70 : 6,853.35 = 4,190.90 : x
  2. Step 2: Convert to fraction form
    4,579.70/6,853.35 = 4,190.90/x
  3. Step 3: Cross multiply
    4,579.70x = 6,853.35 × 4,190.90
  4. Step 4: Simplify right side
    4,579.70x = 28,721,704.52
  5. Step 5: Solve for x
    x = 28,721,704.52/4,579.70
  6. Step 6: Final answer
    x = 6,271.53

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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.