Home / 7,758.07-11,637.95-2,491.85

Finding the Fourth Proportional to 7,758.07, 11,637.95 and 2,491.85

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Solution

The fourth proportional to 7,758.07, 11,637.95 and 2,491.85 is: 3,738.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,758.07 : 11,637.95 = 2,491.85 : x
  2. Step 2: Convert to fraction form
    7,758.07/11,637.95 = 2,491.85/x
  3. Step 3: Cross multiply
    7,758.07x = 11,637.95 × 2,491.85
  4. Step 4: Simplify right side
    7,758.07x = 29,000,042.34
  5. Step 5: Solve for x
    x = 29,000,042.34/7,758.07
  6. Step 6: Final answer
    x = 3,738.05

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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.