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Finding the Fourth Proportional to 7,629.42, 10,536.84 and 6,804.84

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Solution

The fourth proportional to 7,629.42, 10,536.84 and 6,804.84 is: 9,398.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,629.42 : 10,536.84 = 6,804.84 : x
  2. Step 2: Convert to fraction form
    7,629.42/10,536.84 = 6,804.84/x
  3. Step 3: Cross multiply
    7,629.42x = 10,536.84 × 6,804.84
  4. Step 4: Simplify right side
    7,629.42x = 71,701,510.31
  5. Step 5: Solve for x
    x = 71,701,510.31/7,629.42
  6. Step 6: Final answer
    x = 9,398.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.