Home / 4,619.85-6,914.71-3,386.98

Finding the Fourth Proportional to 4,619.85, 6,914.71 and 3,386.98

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Solution

The fourth proportional to 4,619.85, 6,914.71 and 3,386.98 is: 5,069.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,619.85 : 6,914.71 = 3,386.98 : x
  2. Step 2: Convert to fraction form
    4,619.85/6,914.71 = 3,386.98/x
  3. Step 3: Cross multiply
    4,619.85x = 6,914.71 × 3,386.98
  4. Step 4: Simplify right side
    4,619.85x = 23,419,984.48
  5. Step 5: Solve for x
    x = 23,419,984.48/4,619.85
  6. Step 6: Final answer
    x = 5,069.43

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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.