Home / 5,148.82-7,717.02-2,371.69

Finding the Fourth Proportional to 5,148.82, 7,717.02 and 2,371.69

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Solution

The fourth proportional to 5,148.82, 7,717.02 and 2,371.69 is: 3,554.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,148.82 : 7,717.02 = 2,371.69 : x
  2. Step 2: Convert to fraction form
    5,148.82/7,717.02 = 2,371.69/x
  3. Step 3: Cross multiply
    5,148.82x = 7,717.02 × 2,371.69
  4. Step 4: Simplify right side
    5,148.82x = 18,302,379.16
  5. Step 5: Solve for x
    x = 18,302,379.16/5,148.82
  6. Step 6: Final answer
    x = 3,554.67

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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.