Home / 8,440.62-12,661.26-3,175.08

Finding the Fourth Proportional to 8,440.62, 12,661.26 and 3,175.08

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Solution

The fourth proportional to 8,440.62, 12,661.26 and 3,175.08 is: 4,762.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,440.62 : 12,661.26 = 3,175.08 : x
  2. Step 2: Convert to fraction form
    8,440.62/12,661.26 = 3,175.08/x
  3. Step 3: Cross multiply
    8,440.62x = 12,661.26 × 3,175.08
  4. Step 4: Simplify right side
    8,440.62x = 40,200,513.40
  5. Step 5: Solve for x
    x = 40,200,513.40/8,440.62
  6. Step 6: Final answer
    x = 4,762.74

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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.