Home / 6,439.66-9,661.59-2,745.02

Finding the Fourth Proportional to 6,439.66, 9,661.59 and 2,745.02

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Solution

The fourth proportional to 6,439.66, 9,661.59 and 2,745.02 is: 4,118.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,439.66 : 9,661.59 = 2,745.02 : x
  2. Step 2: Convert to fraction form
    6,439.66/9,661.59 = 2,745.02/x
  3. Step 3: Cross multiply
    6,439.66x = 9,661.59 × 2,745.02
  4. Step 4: Simplify right side
    6,439.66x = 26,521,281.94
  5. Step 5: Solve for x
    x = 26,521,281.94/6,439.66
  6. Step 6: Final answer
    x = 4,118.43

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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.