Home / 7,021.54-10,531.61-1,827.42

Finding the Fourth Proportional to 7,021.54, 10,531.61 and 1,827.42

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Solution

The fourth proportional to 7,021.54, 10,531.61 and 1,827.42 is: 2,740.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,021.54 : 10,531.61 = 1,827.42 : x
  2. Step 2: Convert to fraction form
    7,021.54/10,531.61 = 1,827.42/x
  3. Step 3: Cross multiply
    7,021.54x = 10,531.61 × 1,827.42
  4. Step 4: Simplify right side
    7,021.54x = 19,245,674.75
  5. Step 5: Solve for x
    x = 19,245,674.75/7,021.54
  6. Step 6: Final answer
    x = 2,740.95

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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.