Home / 4,222.80-6,334.20-1,261.35

Finding the Fourth Proportional to 4,222.80, 6,334.20 and 1,261.35

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Solution

The fourth proportional to 4,222.80, 6,334.20 and 1,261.35 is: 1,892.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,222.80 : 6,334.20 = 1,261.35 : x
  2. Step 2: Convert to fraction form
    4,222.80/6,334.20 = 1,261.35/x
  3. Step 3: Cross multiply
    4,222.80x = 6,334.20 × 1,261.35
  4. Step 4: Simplify right side
    4,222.80x = 7,989,643.17
  5. Step 5: Solve for x
    x = 7,989,643.17/4,222.80
  6. Step 6: Final answer
    x = 1,892.03

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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.