Home / 5,869.69-8,100.18-3,180.92

Finding the Fourth Proportional to 5,869.69, 8,100.18 and 3,180.92

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Solution

The fourth proportional to 5,869.69, 8,100.18 and 3,180.92 is: 4,389.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,869.69 : 8,100.18 = 3,180.92 : x
  2. Step 2: Convert to fraction form
    5,869.69/8,100.18 = 3,180.92/x
  3. Step 3: Cross multiply
    5,869.69x = 8,100.18 × 3,180.92
  4. Step 4: Simplify right side
    5,869.69x = 25,765,984.06
  5. Step 5: Solve for x
    x = 25,765,984.06/5,869.69
  6. Step 6: Final answer
    x = 4,389.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.