Home / 4,286.28-6,428.56-1,513.06

Finding the Fourth Proportional to 4,286.28, 6,428.56 and 1,513.06

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Solution

The fourth proportional to 4,286.28, 6,428.56 and 1,513.06 is: 2,269.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,286.28 : 6,428.56 = 1,513.06 : x
  2. Step 2: Convert to fraction form
    4,286.28/6,428.56 = 1,513.06/x
  3. Step 3: Cross multiply
    4,286.28x = 6,428.56 × 1,513.06
  4. Step 4: Simplify right side
    4,286.28x = 9,726,796.99
  5. Step 5: Solve for x
    x = 9,726,796.99/4,286.28
  6. Step 6: Final answer
    x = 2,269.29

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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.