Home / 6,477.32-9,716.76-3,187.64

Finding the Fourth Proportional to 6,477.32, 9,716.76 and 3,187.64

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Solution

The fourth proportional to 6,477.32, 9,716.76 and 3,187.64 is: 4,781.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,477.32 : 9,716.76 = 3,187.64 : x
  2. Step 2: Convert to fraction form
    6,477.32/9,716.76 = 3,187.64/x
  3. Step 3: Cross multiply
    6,477.32x = 9,716.76 × 3,187.64
  4. Step 4: Simplify right side
    6,477.32x = 30,973,532.85
  5. Step 5: Solve for x
    x = 30,973,532.85/6,477.32
  6. Step 6: Final answer
    x = 4,781.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.