Home / 4,739.69-6,540.77-2,643.81

Finding the Fourth Proportional to 4,739.69, 6,540.77 and 2,643.81

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Solution

The fourth proportional to 4,739.69, 6,540.77 and 2,643.81 is: 3,648.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,739.69 : 6,540.77 = 2,643.81 : x
  2. Step 2: Convert to fraction form
    4,739.69/6,540.77 = 2,643.81/x
  3. Step 3: Cross multiply
    4,739.69x = 6,540.77 × 2,643.81
  4. Step 4: Simplify right side
    4,739.69x = 17,292,553.13
  5. Step 5: Solve for x
    x = 17,292,553.13/4,739.69
  6. Step 6: Final answer
    x = 3,648.46

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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.