Home / 4,152.63-6,228.93-1,687.43

Finding the Fourth Proportional to 4,152.63, 6,228.93 and 1,687.43

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Solution

The fourth proportional to 4,152.63, 6,228.93 and 1,687.43 is: 2,531.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,152.63 : 6,228.93 = 1,687.43 : x
  2. Step 2: Convert to fraction form
    4,152.63/6,228.93 = 1,687.43/x
  3. Step 3: Cross multiply
    4,152.63x = 6,228.93 × 1,687.43
  4. Step 4: Simplify right side
    4,152.63x = 10,510,905.25
  5. Step 5: Solve for x
    x = 10,510,905.25/4,152.63
  6. Step 6: Final answer
    x = 2,531.14

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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.