Home / 4,283.23-6,415.75-2,797.20

Finding the Fourth Proportional to 4,283.23, 6,415.75 and 2,797.20

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Solution

The fourth proportional to 4,283.23, 6,415.75 and 2,797.20 is: 4,189.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,283.23 : 6,415.75 = 2,797.20 : x
  2. Step 2: Convert to fraction form
    4,283.23/6,415.75 = 2,797.20/x
  3. Step 3: Cross multiply
    4,283.23x = 6,415.75 × 2,797.20
  4. Step 4: Simplify right side
    4,283.23x = 17,946,135.90
  5. Step 5: Solve for x
    x = 17,946,135.90/4,283.23
  6. Step 6: Final answer
    x = 4,189.86

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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.