Home / 6,531.27-9,013.31-3,878.68

Finding the Fourth Proportional to 6,531.27, 9,013.31 and 3,878.68

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Solution

The fourth proportional to 6,531.27, 9,013.31 and 3,878.68 is: 5,352.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,531.27 : 9,013.31 = 3,878.68 : x
  2. Step 2: Convert to fraction form
    6,531.27/9,013.31 = 3,878.68/x
  3. Step 3: Cross multiply
    6,531.27x = 9,013.31 × 3,878.68
  4. Step 4: Simplify right side
    6,531.27x = 34,959,745.23
  5. Step 5: Solve for x
    x = 34,959,745.23/6,531.27
  6. Step 6: Final answer
    x = 5,352.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.