Home / 4,679.50-7,021.30-2,216.08

Finding the Fourth Proportional to 4,679.50, 7,021.30 and 2,216.08

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Solution

The fourth proportional to 4,679.50, 7,021.30 and 2,216.08 is: 3,325.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,679.50 : 7,021.30 = 2,216.08 : x
  2. Step 2: Convert to fraction form
    4,679.50/7,021.30 = 2,216.08/x
  3. Step 3: Cross multiply
    4,679.50x = 7,021.30 × 2,216.08
  4. Step 4: Simplify right side
    4,679.50x = 15,559,762.50
  5. Step 5: Solve for x
    x = 15,559,762.50/4,679.50
  6. Step 6: Final answer
    x = 3,325.09

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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.