Home / 4,018.80-6,029.10-1,245.60

Finding the Fourth Proportional to 4,018.80, 6,029.10 and 1,245.60

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Solution

The fourth proportional to 4,018.80, 6,029.10 and 1,245.60 is: 1,868.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,018.80 : 6,029.10 = 1,245.60 : x
  2. Step 2: Convert to fraction form
    4,018.80/6,029.10 = 1,245.60/x
  3. Step 3: Cross multiply
    4,018.80x = 6,029.10 × 1,245.60
  4. Step 4: Simplify right side
    4,018.80x = 7,509,846.96
  5. Step 5: Solve for x
    x = 7,509,846.96/4,018.80
  6. Step 6: Final answer
    x = 1,868.68

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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.