Home / 8,276.45-11,421.14-4,739.58

Finding the Fourth Proportional to 8,276.45, 11,421.14 and 4,739.58

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Solution

The fourth proportional to 8,276.45, 11,421.14 and 4,739.58 is: 6,540.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,276.45 : 11,421.14 = 4,739.58 : x
  2. Step 2: Convert to fraction form
    8,276.45/11,421.14 = 4,739.58/x
  3. Step 3: Cross multiply
    8,276.45x = 11,421.14 × 4,739.58
  4. Step 4: Simplify right side
    8,276.45x = 54,131,383.02
  5. Step 5: Solve for x
    x = 54,131,383.02/8,276.45
  6. Step 6: Final answer
    x = 6,540.41

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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.