Home / 7,681.06-11,519.14-2,999.94

Finding the Fourth Proportional to 7,681.06, 11,519.14 and 2,999.94

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Solution

The fourth proportional to 7,681.06, 11,519.14 and 2,999.94 is: 4,498.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,681.06 : 11,519.14 = 2,999.94 : x
  2. Step 2: Convert to fraction form
    7,681.06/11,519.14 = 2,999.94/x
  3. Step 3: Cross multiply
    7,681.06x = 11,519.14 × 2,999.94
  4. Step 4: Simplify right side
    7,681.06x = 34,556,728.85
  5. Step 5: Solve for x
    x = 34,556,728.85/7,681.06
  6. Step 6: Final answer
    x = 4,498.95

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1.5x scale

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.