Home / 5,811.21-8,715.07-1,651.55

Finding the Fourth Proportional to 5,811.21, 8,715.07 and 1,651.55

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Solution

The fourth proportional to 5,811.21, 8,715.07 and 1,651.55 is: 2,476.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,811.21 : 8,715.07 = 1,651.55 : x
  2. Step 2: Convert to fraction form
    5,811.21/8,715.07 = 1,651.55/x
  3. Step 3: Cross multiply
    5,811.21x = 8,715.07 × 1,651.55
  4. Step 4: Simplify right side
    5,811.21x = 14,393,391.52
  5. Step 5: Solve for x
    x = 14,393,391.52/5,811.21
  6. Step 6: Final answer
    x = 2,476.83

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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.