Home / 4,679.52-7,021.31-2,216.09

Finding the Fourth Proportional to 4,679.52, 7,021.31 and 2,216.09

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Solution

The fourth proportional to 4,679.52, 7,021.31 and 2,216.09 is: 3,325.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,679.52 : 7,021.31 = 2,216.09 : x
  2. Step 2: Convert to fraction form
    4,679.52/7,021.31 = 2,216.09/x
  3. Step 3: Cross multiply
    4,679.52x = 7,021.31 × 2,216.09
  4. Step 4: Simplify right side
    4,679.52x = 15,559,808.69
  5. Step 5: Solve for x
    x = 15,559,808.69/4,679.52
  6. Step 6: Final answer
    x = 3,325.09

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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.