Home / 4,813.56-7,222.55-2,619.63

Finding the Fourth Proportional to 4,813.56, 7,222.55 and 2,619.63

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Solution

The fourth proportional to 4,813.56, 7,222.55 and 2,619.63 is: 3,930.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,813.56 : 7,222.55 = 2,619.63 : x
  2. Step 2: Convert to fraction form
    4,813.56/7,222.55 = 2,619.63/x
  3. Step 3: Cross multiply
    4,813.56x = 7,222.55 × 2,619.63
  4. Step 4: Simplify right side
    4,813.56x = 18,920,395.56
  5. Step 5: Solve for x
    x = 18,920,395.56/4,813.56
  6. Step 6: Final answer
    x = 3,930.65

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1.5x scale

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.