Home / 7,021.67-10,531.80-1,827.54

Finding the Fourth Proportional to 7,021.67, 10,531.80 and 1,827.54

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Solution

The fourth proportional to 7,021.67, 10,531.80 and 1,827.54 is: 2,741.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,021.67 : 10,531.80 = 1,827.54 : x
  2. Step 2: Convert to fraction form
    7,021.67/10,531.80 = 1,827.54/x
  3. Step 3: Cross multiply
    7,021.67x = 10,531.80 × 1,827.54
  4. Step 4: Simplify right side
    7,021.67x = 19,247,285.77
  5. Step 5: Solve for x
    x = 19,247,285.77/7,021.67
  6. Step 6: Final answer
    x = 2,741.13

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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.