Home / 7,826.58-11,736.90-2,278.08

Finding the Fourth Proportional to 7,826.58, 11,736.90 and 2,278.08

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Solution

The fourth proportional to 7,826.58, 11,736.90 and 2,278.08 is: 3,416.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,826.58 : 11,736.90 = 2,278.08 : x
  2. Step 2: Convert to fraction form
    7,826.58/11,736.90 = 2,278.08/x
  3. Step 3: Cross multiply
    7,826.58x = 11,736.90 × 2,278.08
  4. Step 4: Simplify right side
    7,826.58x = 26,737,597.15
  5. Step 5: Solve for x
    x = 26,737,597.15/7,826.58
  6. Step 6: Final answer
    x = 3,416.26

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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.