Home / 7,021.14-10,523.48-3,899.64

Finding the Fourth Proportional to 7,021.14, 10,523.48 and 3,899.64

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Solution

The fourth proportional to 7,021.14, 10,523.48 and 3,899.64 is: 5,844.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,021.14 : 10,523.48 = 3,899.64 : x
  2. Step 2: Convert to fraction form
    7,021.14/10,523.48 = 3,899.64/x
  3. Step 3: Cross multiply
    7,021.14x = 10,523.48 × 3,899.64
  4. Step 4: Simplify right side
    7,021.14x = 41,037,783.55
  5. Step 5: Solve for x
    x = 41,037,783.55/7,021.14
  6. Step 6: Final answer
    x = 5,844.89

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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.