Home / 8,538.21-11,782.68-4,761.33

Finding the Fourth Proportional to 8,538.21, 11,782.68 and 4,761.33

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Solution

The fourth proportional to 8,538.21, 11,782.68 and 4,761.33 is: 6,570.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,538.21 : 11,782.68 = 4,761.33 : x
  2. Step 2: Convert to fraction form
    8,538.21/11,782.68 = 4,761.33/x
  3. Step 3: Cross multiply
    8,538.21x = 11,782.68 × 4,761.33
  4. Step 4: Simplify right side
    8,538.21x = 56,101,227.76
  5. Step 5: Solve for x
    x = 56,101,227.76/8,538.21
  6. Step 6: Final answer
    x = 6,570.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.