Home / 8,141.40-12,206.70-3,756.60

Finding the Fourth Proportional to 8,141.40, 12,206.70 and 3,756.60

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Solution

The fourth proportional to 8,141.40, 12,206.70 and 3,756.60 is: 5,632.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,141.40 : 12,206.70 = 3,756.60 : x
  2. Step 2: Convert to fraction form
    8,141.40/12,206.70 = 3,756.60/x
  3. Step 3: Cross multiply
    8,141.40x = 12,206.70 × 3,756.60
  4. Step 4: Simplify right side
    8,141.40x = 45,855,689.22
  5. Step 5: Solve for x
    x = 45,855,689.22/8,141.40
  6. Step 6: Final answer
    x = 5,632.41

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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.