Home / 6,519.81-8,997.34-3,535.64

Finding the Fourth Proportional to 6,519.81, 8,997.34 and 3,535.64

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Solution

The fourth proportional to 6,519.81, 8,997.34 and 3,535.64 is: 4,879.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,519.81 : 8,997.34 = 3,535.64 : x
  2. Step 2: Convert to fraction form
    6,519.81/8,997.34 = 3,535.64/x
  3. Step 3: Cross multiply
    6,519.81x = 8,997.34 × 3,535.64
  4. Step 4: Simplify right side
    6,519.81x = 31,811,338.53
  5. Step 5: Solve for x
    x = 31,811,338.53/6,519.81
  6. Step 6: Final answer
    x = 4,879.18

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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.