Home / 5,806.40-8,709.57-2,519.06

Finding the Fourth Proportional to 5,806.40, 8,709.57 and 2,519.06

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Solution

The fourth proportional to 5,806.40, 8,709.57 and 2,519.06 is: 3,778.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,806.40 : 8,709.57 = 2,519.06 : x
  2. Step 2: Convert to fraction form
    5,806.40/8,709.57 = 2,519.06/x
  3. Step 3: Cross multiply
    5,806.40x = 8,709.57 × 2,519.06
  4. Step 4: Simplify right side
    5,806.40x = 21,939,885.86
  5. Step 5: Solve for x
    x = 21,939,885.86/5,806.40
  6. Step 6: Final answer
    x = 3,778.57

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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.