Home / 4,285.94-6,428.50-1,512.47

Finding the Fourth Proportional to 4,285.94, 6,428.50 and 1,512.47

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Solution

The fourth proportional to 4,285.94, 6,428.50 and 1,512.47 is: 2,268.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,285.94 : 6,428.50 = 1,512.47 : x
  2. Step 2: Convert to fraction form
    4,285.94/6,428.50 = 1,512.47/x
  3. Step 3: Cross multiply
    4,285.94x = 6,428.50 × 1,512.47
  4. Step 4: Simplify right side
    4,285.94x = 9,722,925.69
  5. Step 5: Solve for x
    x = 9,722,925.69/4,285.94
  6. Step 6: Final answer
    x = 2,268.57

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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.