Home / 7,021.76-10,530.39-3,903.26

Finding the Fourth Proportional to 7,021.76, 10,530.39 and 3,903.26

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Solution

The fourth proportional to 7,021.76, 10,530.39 and 3,903.26 is: 5,853.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,021.76 : 10,530.39 = 3,903.26 : x
  2. Step 2: Convert to fraction form
    7,021.76/10,530.39 = 3,903.26/x
  3. Step 3: Cross multiply
    7,021.76x = 10,530.39 × 3,903.26
  4. Step 4: Simplify right side
    7,021.76x = 41,102,850.07
  5. Step 5: Solve for x
    x = 41,102,850.07/7,021.76
  6. Step 6: Final answer
    x = 5,853.64

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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.