Home / 8,371.11-12,554.64-2,528.19

Finding the Fourth Proportional to 8,371.11, 12,554.64 and 2,528.19

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Solution

The fourth proportional to 8,371.11, 12,554.64 and 2,528.19 is: 3,791.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,371.11 : 12,554.64 = 2,528.19 : x
  2. Step 2: Convert to fraction form
    8,371.11/12,554.64 = 2,528.19/x
  3. Step 3: Cross multiply
    8,371.11x = 12,554.64 × 2,528.19
  4. Step 4: Simplify right side
    8,371.11x = 31,740,515.30
  5. Step 5: Solve for x
    x = 31,740,515.30/8,371.11
  6. Step 6: Final answer
    x = 3,791.67

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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.