Home / 8,187.94-11,299.40-4,651.35

Finding the Fourth Proportional to 8,187.94, 11,299.40 and 4,651.35

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Solution

The fourth proportional to 8,187.94, 11,299.40 and 4,651.35 is: 6,418.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,187.94 : 11,299.40 = 4,651.35 : x
  2. Step 2: Convert to fraction form
    8,187.94/11,299.40 = 4,651.35/x
  3. Step 3: Cross multiply
    8,187.94x = 11,299.40 × 4,651.35
  4. Step 4: Simplify right side
    8,187.94x = 52,557,464.19
  5. Step 5: Solve for x
    x = 52,557,464.19/8,187.94
  6. Step 6: Final answer
    x = 6,418.89

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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.