Home / 6,428.28-9,640.02-2,044.92

Finding the Fourth Proportional to 6,428.28, 9,640.02 and 2,044.92

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Solution

The fourth proportional to 6,428.28, 9,640.02 and 2,044.92 is: 3,066.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,428.28 : 9,640.02 = 2,044.92 : x
  2. Step 2: Convert to fraction form
    6,428.28/9,640.02 = 2,044.92/x
  3. Step 3: Cross multiply
    6,428.28x = 9,640.02 × 2,044.92
  4. Step 4: Simplify right side
    6,428.28x = 19,713,069.70
  5. Step 5: Solve for x
    x = 19,713,069.70/6,428.28
  6. Step 6: Final answer
    x = 3,066.62

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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.