Home / 6,477.47-9,717.11-3,190.59

Finding the Fourth Proportional to 6,477.47, 9,717.11 and 3,190.59

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Solution

The fourth proportional to 6,477.47, 9,717.11 and 3,190.59 is: 4,786.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,477.47 : 9,717.11 = 3,190.59 : x
  2. Step 2: Convert to fraction form
    6,477.47/9,717.11 = 3,190.59/x
  3. Step 3: Cross multiply
    6,477.47x = 9,717.11 × 3,190.59
  4. Step 4: Simplify right side
    6,477.47x = 31,003,313.99
  5. Step 5: Solve for x
    x = 31,003,313.99/6,477.47
  6. Step 6: Final answer
    x = 4,786.33

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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.