Home / 7,743.21-10,684.86-4,385.36

Finding the Fourth Proportional to 7,743.21, 10,684.86 and 4,385.36

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Solution

The fourth proportional to 7,743.21, 10,684.86 and 4,385.36 is: 6,051.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,743.21 : 10,684.86 = 4,385.36 : x
  2. Step 2: Convert to fraction form
    7,743.21/10,684.86 = 4,385.36/x
  3. Step 3: Cross multiply
    7,743.21x = 10,684.86 × 4,385.36
  4. Step 4: Simplify right side
    7,743.21x = 46,856,932.48
  5. Step 5: Solve for x
    x = 46,856,932.48/7,743.21
  6. Step 6: Final answer
    x = 6,051.36

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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.