Home / 8,148.09-12,222.60-2,305.16

Finding the Fourth Proportional to 8,148.09, 12,222.60 and 2,305.16

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Solution

The fourth proportional to 8,148.09, 12,222.60 and 2,305.16 is: 3,457.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,148.09 : 12,222.60 = 2,305.16 : x
  2. Step 2: Convert to fraction form
    8,148.09/12,222.60 = 2,305.16/x
  3. Step 3: Cross multiply
    8,148.09x = 12,222.60 × 2,305.16
  4. Step 4: Simplify right side
    8,148.09x = 28,175,024.69
  5. Step 5: Solve for x
    x = 28,175,024.69/8,148.09
  6. Step 6: Final answer
    x = 3,457.87

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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.