Home / 8,065.41-12,101.55-4,172.55

Finding the Fourth Proportional to 8,065.41, 12,101.55 and 4,172.55

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Solution

The fourth proportional to 8,065.41, 12,101.55 and 4,172.55 is: 6,260.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,065.41 : 12,101.55 = 4,172.55 : x
  2. Step 2: Convert to fraction form
    8,065.41/12,101.55 = 4,172.55/x
  3. Step 3: Cross multiply
    8,065.41x = 12,101.55 × 4,172.55
  4. Step 4: Simplify right side
    8,065.41x = 50,494,322.45
  5. Step 5: Solve for x
    x = 50,494,322.45/8,065.41
  6. Step 6: Final answer
    x = 6,260.60

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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.