Home / 4,284.93-6,427.02-1,687.86

Finding the Fourth Proportional to 4,284.93, 6,427.02 and 1,687.86

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Solution

The fourth proportional to 4,284.93, 6,427.02 and 1,687.86 is: 2,531.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,284.93 : 6,427.02 = 1,687.86 : x
  2. Step 2: Convert to fraction form
    4,284.93/6,427.02 = 1,687.86/x
  3. Step 3: Cross multiply
    4,284.93x = 6,427.02 × 1,687.86
  4. Step 4: Simplify right side
    4,284.93x = 10,847,909.98
  5. Step 5: Solve for x
    x = 10,847,909.98/4,284.93
  6. Step 6: Final answer
    x = 2,531.64

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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.