Home / 4,814.98-7,220.30-2,216.50

Finding the Fourth Proportional to 4,814.98, 7,220.30 and 2,216.50

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Solution

The fourth proportional to 4,814.98, 7,220.30 and 2,216.50 is: 3,323.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,814.98 : 7,220.30 = 2,216.50 : x
  2. Step 2: Convert to fraction form
    4,814.98/7,220.30 = 2,216.50/x
  3. Step 3: Cross multiply
    4,814.98x = 7,220.30 × 2,216.50
  4. Step 4: Simplify right side
    4,814.98x = 16,003,794.95
  5. Step 5: Solve for x
    x = 16,003,794.95/4,814.98
  6. Step 6: Final answer
    x = 3,323.75

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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.