Home / 6,443.84-9,669.40-2,745.68

Finding the Fourth Proportional to 6,443.84, 9,669.40 and 2,745.68

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Solution

The fourth proportional to 6,443.84, 9,669.40 and 2,745.68 is: 4,120.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,443.84 : 9,669.40 = 2,745.68 : x
  2. Step 2: Convert to fraction form
    6,443.84/9,669.40 = 2,745.68/x
  3. Step 3: Cross multiply
    6,443.84x = 9,669.40 × 2,745.68
  4. Step 4: Simplify right side
    6,443.84x = 26,549,078.19
  5. Step 5: Solve for x
    x = 26,549,078.19/6,443.84
  6. Step 6: Final answer
    x = 4,120.07

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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.