Home / 8,764.07-13,147.85-3,217.47

Finding the Fourth Proportional to 8,764.07, 13,147.85 and 3,217.47

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Solution

The fourth proportional to 8,764.07, 13,147.85 and 3,217.47 is: 4,826.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,764.07 : 13,147.85 = 3,217.47 : x
  2. Step 2: Convert to fraction form
    8,764.07/13,147.85 = 3,217.47/x
  3. Step 3: Cross multiply
    8,764.07x = 13,147.85 × 3,217.47
  4. Step 4: Simplify right side
    8,764.07x = 42,302,812.94
  5. Step 5: Solve for x
    x = 42,302,812.94/8,764.07
  6. Step 6: Final answer
    x = 4,826.85

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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.