Home / 6,436.27-8,879.99-3,603.23

Finding the Fourth Proportional to 6,436.27, 8,879.99 and 3,603.23

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Solution

The fourth proportional to 6,436.27, 8,879.99 and 3,603.23 is: 4,971.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,436.27 : 8,879.99 = 3,603.23 : x
  2. Step 2: Convert to fraction form
    6,436.27/8,879.99 = 3,603.23/x
  3. Step 3: Cross multiply
    6,436.27x = 8,879.99 × 3,603.23
  4. Step 4: Simplify right side
    6,436.27x = 31,996,583.95
  5. Step 5: Solve for x
    x = 31,996,583.95/6,436.27
  6. Step 6: Final answer
    x = 4,971.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.