Home / 7,536.21-11,303-1,989.60

Finding the Fourth Proportional to 7,536.21, 11,303 and 1,989.60

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Solution

The fourth proportional to 7,536.21, 11,303 and 1,989.60 is: 2,984.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,536.21 : 11,303 = 1,989.60 : x
  2. Step 2: Convert to fraction form
    7,536.21/11,303 = 1,989.60/x
  3. Step 3: Cross multiply
    7,536.21x = 11,303 × 1,989.60
  4. Step 4: Simplify right side
    7,536.21x = 22,488,448.80
  5. Step 5: Solve for x
    x = 22,488,448.80/7,536.21
  6. Step 6: Final answer
    x = 2,984.05

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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.