Home / 7,634.39-10,535.49-4,277.21

Finding the Fourth Proportional to 7,634.39, 10,535.49 and 4,277.21

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Solution

The fourth proportional to 7,634.39, 10,535.49 and 4,277.21 is: 5,902.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,634.39 : 10,535.49 = 4,277.21 : x
  2. Step 2: Convert to fraction form
    7,634.39/10,535.49 = 4,277.21/x
  3. Step 3: Cross multiply
    7,634.39x = 10,535.49 × 4,277.21
  4. Step 4: Simplify right side
    7,634.39x = 45,062,450.51
  5. Step 5: Solve for x
    x = 45,062,450.51/7,634.39
  6. Step 6: Final answer
    x = 5,902.56

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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.