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Finding the Fourth Proportional to 6,503.86, 8,975.25 and 3,519.64

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Solution

The fourth proportional to 6,503.86, 8,975.25 and 3,519.64 is: 4,857.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,503.86 : 8,975.25 = 3,519.64 : x
  2. Step 2: Convert to fraction form
    6,503.86/8,975.25 = 3,519.64/x
  3. Step 3: Cross multiply
    6,503.86x = 8,975.25 × 3,519.64
  4. Step 4: Simplify right side
    6,503.86x = 31,589,626.47
  5. Step 5: Solve for x
    x = 31,589,626.47/6,503.86
  6. Step 6: Final answer
    x = 4,857.06

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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.