Home / 4,253.15-6,379.22-1,133.39

Finding the Fourth Proportional to 4,253.15, 6,379.22 and 1,133.39

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Solution

The fourth proportional to 4,253.15, 6,379.22 and 1,133.39 is: 1,699.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,253.15 : 6,379.22 = 1,133.39 : x
  2. Step 2: Convert to fraction form
    4,253.15/6,379.22 = 1,133.39/x
  3. Step 3: Cross multiply
    4,253.15x = 6,379.22 × 1,133.39
  4. Step 4: Simplify right side
    4,253.15x = 7,230,162.94
  5. Step 5: Solve for x
    x = 7,230,162.94/4,253.15
  6. Step 6: Final answer
    x = 1,699.95

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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.