Home / 4,190.45-6,285.66-1,070.45

Finding the Fourth Proportional to 4,190.45, 6,285.66 and 1,070.45

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Solution

The fourth proportional to 4,190.45, 6,285.66 and 1,070.45 is: 1,605.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,190.45 : 6,285.66 = 1,070.45 : x
  2. Step 2: Convert to fraction form
    4,190.45/6,285.66 = 1,070.45/x
  3. Step 3: Cross multiply
    4,190.45x = 6,285.66 × 1,070.45
  4. Step 4: Simplify right side
    4,190.45x = 6,728,514.25
  5. Step 5: Solve for x
    x = 6,728,514.25/4,190.45
  6. Step 6: Final answer
    x = 1,605.68

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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.