Home / 4,847.40-7,271.82-1,559.43

Finding the Fourth Proportional to 4,847.40, 7,271.82 and 1,559.43

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Solution

The fourth proportional to 4,847.40, 7,271.82 and 1,559.43 is: 2,339.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,847.40 : 7,271.82 = 1,559.43 : x
  2. Step 2: Convert to fraction form
    4,847.40/7,271.82 = 1,559.43/x
  3. Step 3: Cross multiply
    4,847.40x = 7,271.82 × 1,559.43
  4. Step 4: Simplify right side
    4,847.40x = 11,339,894.26
  5. Step 5: Solve for x
    x = 11,339,894.26/4,847.40
  6. Step 6: Final answer
    x = 2,339.38

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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.