Home / 4,284.52-6,429.46-1,687.12

Finding the Fourth Proportional to 4,284.52, 6,429.46 and 1,687.12

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Solution

The fourth proportional to 4,284.52, 6,429.46 and 1,687.12 is: 2,531.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,284.52 : 6,429.46 = 1,687.12 : x
  2. Step 2: Convert to fraction form
    4,284.52/6,429.46 = 1,687.12/x
  3. Step 3: Cross multiply
    4,284.52x = 6,429.46 × 1,687.12
  4. Step 4: Simplify right side
    4,284.52x = 10,847,270.56
  5. Step 5: Solve for x
    x = 10,847,270.56/4,284.52
  6. Step 6: Final answer
    x = 2,531.74

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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.