Home / 6,428.21-9,634.89-2,958.17

Finding the Fourth Proportional to 6,428.21, 9,634.89 and 2,958.17

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Solution

The fourth proportional to 6,428.21, 9,634.89 and 2,958.17 is: 4,433.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,428.21 : 9,634.89 = 2,958.17 : x
  2. Step 2: Convert to fraction form
    6,428.21/9,634.89 = 2,958.17/x
  3. Step 3: Cross multiply
    6,428.21x = 9,634.89 × 2,958.17
  4. Step 4: Simplify right side
    6,428.21x = 28,501,642.55
  5. Step 5: Solve for x
    x = 28,501,642.55/6,428.21
  6. Step 6: Final answer
    x = 4,433.84

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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.