Home / 8,265.58-12,399.14-2,718.95

Finding the Fourth Proportional to 8,265.58, 12,399.14 and 2,718.95

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Solution

The fourth proportional to 8,265.58, 12,399.14 and 2,718.95 is: 4,078.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,265.58 : 12,399.14 = 2,718.95 : x
  2. Step 2: Convert to fraction form
    8,265.58/12,399.14 = 2,718.95/x
  3. Step 3: Cross multiply
    8,265.58x = 12,399.14 × 2,718.95
  4. Step 4: Simplify right side
    8,265.58x = 33,712,586.50
  5. Step 5: Solve for x
    x = 33,712,586.50/8,265.58
  6. Step 6: Final answer
    x = 4,078.67

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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.