Home / 4,285.67-6,429.86-1,512.23

Finding the Fourth Proportional to 4,285.67, 6,429.86 and 1,512.23

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Solution

The fourth proportional to 4,285.67, 6,429.86 and 1,512.23 is: 2,268.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,285.67 : 6,429.86 = 1,512.23 : x
  2. Step 2: Convert to fraction form
    4,285.67/6,429.86 = 1,512.23/x
  3. Step 3: Cross multiply
    4,285.67x = 6,429.86 × 1,512.23
  4. Step 4: Simplify right side
    4,285.67x = 9,723,387.48
  5. Step 5: Solve for x
    x = 9,723,387.48/4,285.67
  6. Step 6: Final answer
    x = 2,268.82

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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.