Home / 6,477.35-8,936.87-3,823.79

Finding the Fourth Proportional to 6,477.35, 8,936.87 and 3,823.79

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Solution

The fourth proportional to 6,477.35, 8,936.87 and 3,823.79 is: 5,275.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,477.35 : 8,936.87 = 3,823.79 : x
  2. Step 2: Convert to fraction form
    6,477.35/8,936.87 = 3,823.79/x
  3. Step 3: Cross multiply
    6,477.35x = 8,936.87 × 3,823.79
  4. Step 4: Simplify right side
    6,477.35x = 34,172,650.33
  5. Step 5: Solve for x
    x = 34,172,650.33/6,477.35
  6. Step 6: Final answer
    x = 5,275.72

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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.