Home / 6,840.64-10,249.92-3,548.80

Finding the Fourth Proportional to 6,840.64, 10,249.92 and 3,548.80

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Solution

The fourth proportional to 6,840.64, 10,249.92 and 3,548.80 is: 5,317.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,840.64 : 10,249.92 = 3,548.80 : x
  2. Step 2: Convert to fraction form
    6,840.64/10,249.92 = 3,548.80/x
  3. Step 3: Cross multiply
    6,840.64x = 10,249.92 × 3,548.80
  4. Step 4: Simplify right side
    6,840.64x = 36,374,916.10
  5. Step 5: Solve for x
    x = 36,374,916.10/6,840.64
  6. Step 6: Final answer
    x = 5,317.47

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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.