Home / 6,428.68-9,643.66-2,966.92

Finding the Fourth Proportional to 6,428.68, 9,643.66 and 2,966.92

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Solution

The fourth proportional to 6,428.68, 9,643.66 and 2,966.92 is: 4,450.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,428.68 : 9,643.66 = 2,966.92 : x
  2. Step 2: Convert to fraction form
    6,428.68/9,643.66 = 2,966.92/x
  3. Step 3: Cross multiply
    6,428.68x = 9,643.66 × 2,966.92
  4. Step 4: Simplify right side
    6,428.68x = 28,611,967.73
  5. Step 5: Solve for x
    x = 28,611,967.73/6,428.68
  6. Step 6: Final answer
    x = 4,450.68

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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.