Home / 6,429.40-9,644.87-2,268.55

Finding the Fourth Proportional to 6,429.40, 9,644.87 and 2,268.55

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Solution

The fourth proportional to 6,429.40, 9,644.87 and 2,268.55 is: 3,403.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,429.40 : 9,644.87 = 2,268.55 : x
  2. Step 2: Convert to fraction form
    6,429.40/9,644.87 = 2,268.55/x
  3. Step 3: Cross multiply
    6,429.40x = 9,644.87 × 2,268.55
  4. Step 4: Simplify right side
    6,429.40x = 21,879,887.57
  5. Step 5: Solve for x
    x = 21,879,887.57/6,429.40
  6. Step 6: Final answer
    x = 3,403.10

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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.