Home / 4,285.19-6,428.75-1,512.06

Finding the Fourth Proportional to 4,285.19, 6,428.75 and 1,512.06

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Solution

The fourth proportional to 4,285.19, 6,428.75 and 1,512.06 is: 2,268.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,285.19 : 6,428.75 = 1,512.06 : x
  2. Step 2: Convert to fraction form
    4,285.19/6,428.75 = 1,512.06/x
  3. Step 3: Cross multiply
    4,285.19x = 6,428.75 × 1,512.06
  4. Step 4: Simplify right side
    4,285.19x = 9,720,655.73
  5. Step 5: Solve for x
    x = 9,720,655.73/4,285.19
  6. Step 6: Final answer
    x = 2,268.43

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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.