Home / 4,661.35-6,430.77-2,982.37

Finding the Fourth Proportional to 4,661.35, 6,430.77 and 2,982.37

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Solution

The fourth proportional to 4,661.35, 6,430.77 and 2,982.37 is: 4,114.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,661.35 : 6,430.77 = 2,982.37 : x
  2. Step 2: Convert to fraction form
    4,661.35/6,430.77 = 2,982.37/x
  3. Step 3: Cross multiply
    4,661.35x = 6,430.77 × 2,982.37
  4. Step 4: Simplify right side
    4,661.35x = 19,178,923.12
  5. Step 5: Solve for x
    x = 19,178,923.12/4,661.35
  6. Step 6: Final answer
    x = 4,114.46

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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.