Home / 7,681.05-11,521.74-2,134.37

Finding the Fourth Proportional to 7,681.05, 11,521.74 and 2,134.37

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Solution

The fourth proportional to 7,681.05, 11,521.74 and 2,134.37 is: 3,201.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,681.05 : 11,521.74 = 2,134.37 : x
  2. Step 2: Convert to fraction form
    7,681.05/11,521.74 = 2,134.37/x
  3. Step 3: Cross multiply
    7,681.05x = 11,521.74 × 2,134.37
  4. Step 4: Simplify right side
    7,681.05x = 24,591,598.60
  5. Step 5: Solve for x
    x = 24,591,598.60/7,681.05
  6. Step 6: Final answer
    x = 3,201.59

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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.