Home / 5,958-8,216.40-3,965.12

Finding the Fourth Proportional to 5,958, 8,216.40 and 3,965.12

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Solution

The fourth proportional to 5,958, 8,216.40 and 3,965.12 is: 5,468.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,958 : 8,216.40 = 3,965.12 : x
  2. Step 2: Convert to fraction form
    5,958/8,216.40 = 3,965.12/x
  3. Step 3: Cross multiply
    5,958x = 8,216.40 × 3,965.12
  4. Step 4: Simplify right side
    5,958x = 32,579,011.97
  5. Step 5: Solve for x
    x = 32,579,011.97/5,958
  6. Step 6: Final answer
    x = 5,468.11

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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.