Home / 6,435.21-9,647.26-2,489.23

Finding the Fourth Proportional to 6,435.21, 9,647.26 and 2,489.23

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Solution

The fourth proportional to 6,435.21, 9,647.26 and 2,489.23 is: 3,731.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,435.21 : 9,647.26 = 2,489.23 : x
  2. Step 2: Convert to fraction form
    6,435.21/9,647.26 = 2,489.23/x
  3. Step 3: Cross multiply
    6,435.21x = 9,647.26 × 2,489.23
  4. Step 4: Simplify right side
    6,435.21x = 24,014,249.01
  5. Step 5: Solve for x
    x = 24,014,249.01/6,435.21
  6. Step 6: Final answer
    x = 3,731.70

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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.