Home / 4,515.24-6,771.77-1,882.78

Finding the Fourth Proportional to 4,515.24, 6,771.77 and 1,882.78

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Solution

The fourth proportional to 4,515.24, 6,771.77 and 1,882.78 is: 2,823.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,515.24 : 6,771.77 = 1,882.78 : x
  2. Step 2: Convert to fraction form
    4,515.24/6,771.77 = 1,882.78/x
  3. Step 3: Cross multiply
    4,515.24x = 6,771.77 × 1,882.78
  4. Step 4: Simplify right side
    4,515.24x = 12,749,774.76
  5. Step 5: Solve for x
    x = 12,749,774.76/4,515.24
  6. Step 6: Final answer
    x = 2,823.72

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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.