Home / 7,758.45-11,636.51-2,826.94

Finding the Fourth Proportional to 7,758.45, 11,636.51 and 2,826.94

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Solution

The fourth proportional to 7,758.45, 11,636.51 and 2,826.94 is: 4,239.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,758.45 : 11,636.51 = 2,826.94 : x
  2. Step 2: Convert to fraction form
    7,758.45/11,636.51 = 2,826.94/x
  3. Step 3: Cross multiply
    7,758.45x = 11,636.51 × 2,826.94
  4. Step 4: Simplify right side
    7,758.45x = 32,895,657.40
  5. Step 5: Solve for x
    x = 32,895,657.40/7,758.45
  6. Step 6: Final answer
    x = 4,239.98

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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.