Home / 4,285.74-6,428.69-1,512.36

Finding the Fourth Proportional to 4,285.74, 6,428.69 and 1,512.36

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Solution

The fourth proportional to 4,285.74, 6,428.69 and 1,512.36 is: 2,268.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,285.74 : 6,428.69 = 1,512.36 : x
  2. Step 2: Convert to fraction form
    4,285.74/6,428.69 = 1,512.36/x
  3. Step 3: Cross multiply
    4,285.74x = 6,428.69 × 1,512.36
  4. Step 4: Simplify right side
    4,285.74x = 9,722,486.05
  5. Step 5: Solve for x
    x = 9,722,486.05/4,285.74
  6. Step 6: Final answer
    x = 2,268.57

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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.