Home / 4,263.60-6,396.72-2,185.07

Finding the Fourth Proportional to 4,263.60, 6,396.72 and 2,185.07

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Solution

The fourth proportional to 4,263.60, 6,396.72 and 2,185.07 is: 3,278.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,263.60 : 6,396.72 = 2,185.07 : x
  2. Step 2: Convert to fraction form
    4,263.60/6,396.72 = 2,185.07/x
  3. Step 3: Cross multiply
    4,263.60x = 6,396.72 × 2,185.07
  4. Step 4: Simplify right side
    4,263.60x = 13,977,270.05
  5. Step 5: Solve for x
    x = 13,977,270.05/4,263.60
  6. Step 6: Final answer
    x = 3,278.28

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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.