Home / 4,285.36-6,425.88-2,090.80

Finding the Fourth Proportional to 4,285.36, 6,425.88 and 2,090.80

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Solution

The fourth proportional to 4,285.36, 6,425.88 and 2,090.80 is: 3,135.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,285.36 : 6,425.88 = 2,090.80 : x
  2. Step 2: Convert to fraction form
    4,285.36/6,425.88 = 2,090.80/x
  3. Step 3: Cross multiply
    4,285.36x = 6,425.88 × 2,090.80
  4. Step 4: Simplify right side
    4,285.36x = 13,435,229.90
  5. Step 5: Solve for x
    x = 13,435,229.90/4,285.36
  6. Step 6: Final answer
    x = 3,135.15

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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.