Home / 4,188.69-6,284.88-1,591.02

Finding the Fourth Proportional to 4,188.69, 6,284.88 and 1,591.02

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Solution

The fourth proportional to 4,188.69, 6,284.88 and 1,591.02 is: 2,387.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,188.69 : 6,284.88 = 1,591.02 : x
  2. Step 2: Convert to fraction form
    4,188.69/6,284.88 = 1,591.02/x
  3. Step 3: Cross multiply
    4,188.69x = 6,284.88 × 1,591.02
  4. Step 4: Simplify right side
    4,188.69x = 9,999,369.78
  5. Step 5: Solve for x
    x = 9,999,369.78/4,188.69
  6. Step 6: Final answer
    x = 2,387.23

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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.