Home / 7,739.92-10,680.87-4,383.06

Finding the Fourth Proportional to 7,739.92, 10,680.87 and 4,383.06

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Solution

The fourth proportional to 7,739.92, 10,680.87 and 4,383.06 is: 6,048.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,739.92 : 10,680.87 = 4,383.06 : x
  2. Step 2: Convert to fraction form
    7,739.92/10,680.87 = 4,383.06/x
  3. Step 3: Cross multiply
    7,739.92x = 10,680.87 × 4,383.06
  4. Step 4: Simplify right side
    7,739.92x = 46,814,870.45
  5. Step 5: Solve for x
    x = 46,814,870.45/7,739.92
  6. Step 6: Final answer
    x = 6,048.49

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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.