Home / 4,261.20-5,868.36-3,080.40

Finding the Fourth Proportional to 4,261.20, 5,868.36 and 3,080.40

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Solution

The fourth proportional to 4,261.20, 5,868.36 and 3,080.40 is: 4,242.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,261.20 : 5,868.36 = 3,080.40 : x
  2. Step 2: Convert to fraction form
    4,261.20/5,868.36 = 3,080.40/x
  3. Step 3: Cross multiply
    4,261.20x = 5,868.36 × 3,080.40
  4. Step 4: Simplify right side
    4,261.20x = 18,076,896.14
  5. Step 5: Solve for x
    x = 18,076,896.14/4,261.20
  6. Step 6: Final answer
    x = 4,242.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.