Home / 6,477.75-9,703.38-3,180.51

Finding the Fourth Proportional to 6,477.75, 9,703.38 and 3,180.51

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Solution

The fourth proportional to 6,477.75, 9,703.38 and 3,180.51 is: 4,764.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,477.75 : 9,703.38 = 3,180.51 : x
  2. Step 2: Convert to fraction form
    6,477.75/9,703.38 = 3,180.51/x
  3. Step 3: Cross multiply
    6,477.75x = 9,703.38 × 3,180.51
  4. Step 4: Simplify right side
    6,477.75x = 30,861,697.12
  5. Step 5: Solve for x
    x = 30,861,697.12/6,477.75
  6. Step 6: Final answer
    x = 4,764.26

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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.