Home / 6,623.08-9,137.85-3,969.52

Finding the Fourth Proportional to 6,623.08, 9,137.85 and 3,969.52

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Solution

The fourth proportional to 6,623.08, 9,137.85 and 3,969.52 is: 5,476.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,623.08 : 9,137.85 = 3,969.52 : x
  2. Step 2: Convert to fraction form
    6,623.08/9,137.85 = 3,969.52/x
  3. Step 3: Cross multiply
    6,623.08x = 9,137.85 × 3,969.52
  4. Step 4: Simplify right side
    6,623.08x = 36,272,878.33
  5. Step 5: Solve for x
    x = 36,272,878.33/6,623.08
  6. Step 6: Final answer
    x = 5,476.74

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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.