Home / 5,101.47-7,040.37-2,976.84

Finding the Fourth Proportional to 5,101.47, 7,040.37 and 2,976.84

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Solution

The fourth proportional to 5,101.47, 7,040.37 and 2,976.84 is: 4,108.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,101.47 : 7,040.37 = 2,976.84 : x
  2. Step 2: Convert to fraction form
    5,101.47/7,040.37 = 2,976.84/x
  3. Step 3: Cross multiply
    5,101.47x = 7,040.37 × 2,976.84
  4. Step 4: Simplify right side
    5,101.47x = 20,958,055.03
  5. Step 5: Solve for x
    x = 20,958,055.03/5,101.47
  6. Step 6: Final answer
    x = 4,108.24

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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.