Home / 7,690.08-11,536.36-2,494.76

Finding the Fourth Proportional to 7,690.08, 11,536.36 and 2,494.76

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Solution

The fourth proportional to 7,690.08, 11,536.36 and 2,494.76 is: 3,742.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,690.08 : 11,536.36 = 2,494.76 : x
  2. Step 2: Convert to fraction form
    7,690.08/11,536.36 = 2,494.76/x
  3. Step 3: Cross multiply
    7,690.08x = 11,536.36 × 2,494.76
  4. Step 4: Simplify right side
    7,690.08x = 28,780,449.47
  5. Step 5: Solve for x
    x = 28,780,449.47/7,690.08
  6. Step 6: Final answer
    x = 3,742.54

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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.