Home / 7,216.21-9,958.82-4,029.51

Finding the Fourth Proportional to 7,216.21, 9,958.82 and 4,029.51

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Solution

The fourth proportional to 7,216.21, 9,958.82 and 4,029.51 is: 5,560.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,216.21 : 9,958.82 = 4,029.51 : x
  2. Step 2: Convert to fraction form
    7,216.21/9,958.82 = 4,029.51/x
  3. Step 3: Cross multiply
    7,216.21x = 9,958.82 × 4,029.51
  4. Step 4: Simplify right side
    7,216.21x = 40,129,164.78
  5. Step 5: Solve for x
    x = 40,129,164.78/7,216.21
  6. Step 6: Final answer
    x = 5,560.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.