Home / 8,316.26-12,465.63-2,768.12

Finding the Fourth Proportional to 8,316.26, 12,465.63 and 2,768.12

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Solution

The fourth proportional to 8,316.26, 12,465.63 and 2,768.12 is: 4,149.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,316.26 : 12,465.63 = 2,768.12 : x
  2. Step 2: Convert to fraction form
    8,316.26/12,465.63 = 2,768.12/x
  3. Step 3: Cross multiply
    8,316.26x = 12,465.63 × 2,768.12
  4. Step 4: Simplify right side
    8,316.26x = 34,506,390.88
  5. Step 5: Solve for x
    x = 34,506,390.88/8,316.26
  6. Step 6: Final answer
    x = 4,149.27

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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.