Home / 4,126.86-6,190.73-1,205.18

Finding the Fourth Proportional to 4,126.86, 6,190.73 and 1,205.18

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Solution

The fourth proportional to 4,126.86, 6,190.73 and 1,205.18 is: 1,807.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,126.86 : 6,190.73 = 1,205.18 : x
  2. Step 2: Convert to fraction form
    4,126.86/6,190.73 = 1,205.18/x
  3. Step 3: Cross multiply
    4,126.86x = 6,190.73 × 1,205.18
  4. Step 4: Simplify right side
    4,126.86x = 7,460,909.26
  5. Step 5: Solve for x
    x = 7,460,909.26/4,126.86
  6. Step 6: Final answer
    x = 1,807.89

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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.