Home / 4,681.27-7,021.55-2,212.39

Finding the Fourth Proportional to 4,681.27, 7,021.55 and 2,212.39

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Solution

The fourth proportional to 4,681.27, 7,021.55 and 2,212.39 is: 3,318.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,681.27 : 7,021.55 = 2,212.39 : x
  2. Step 2: Convert to fraction form
    4,681.27/7,021.55 = 2,212.39/x
  3. Step 3: Cross multiply
    4,681.27x = 7,021.55 × 2,212.39
  4. Step 4: Simplify right side
    4,681.27x = 15,534,395.94
  5. Step 5: Solve for x
    x = 15,534,395.94/4,681.27
  6. Step 6: Final answer
    x = 3,318.41

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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.