Home / 6,380.69-8,808.44-4,257.45

Finding the Fourth Proportional to 6,380.69, 8,808.44 and 4,257.45

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Solution

The fourth proportional to 6,380.69, 8,808.44 and 4,257.45 is: 5,877.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,380.69 : 8,808.44 = 4,257.45 : x
  2. Step 2: Convert to fraction form
    6,380.69/8,808.44 = 4,257.45/x
  3. Step 3: Cross multiply
    6,380.69x = 8,808.44 × 4,257.45
  4. Step 4: Simplify right side
    6,380.69x = 37,501,471.59
  5. Step 5: Solve for x
    x = 37,501,471.59/6,380.69
  6. Step 6: Final answer
    x = 5,877.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.