Home / 5,810.40-8,716.50-2,113.56

Finding the Fourth Proportional to 5,810.40, 8,716.50 and 2,113.56

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Solution

The fourth proportional to 5,810.40, 8,716.50 and 2,113.56 is: 3,170.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,810.40 : 8,716.50 = 2,113.56 : x
  2. Step 2: Convert to fraction form
    5,810.40/8,716.50 = 2,113.56/x
  3. Step 3: Cross multiply
    5,810.40x = 8,716.50 × 2,113.56
  4. Step 4: Simplify right side
    5,810.40x = 18,422,845.74
  5. Step 5: Solve for x
    x = 18,422,845.74/5,810.40
  6. Step 6: Final answer
    x = 3,170.67

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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.