Home / 4,130.82-5,708.07-3,009.81

Finding the Fourth Proportional to 4,130.82, 5,708.07 and 3,009.81

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Solution

The fourth proportional to 4,130.82, 5,708.07 and 3,009.81 is: 4,159.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,130.82 : 5,708.07 = 3,009.81 : x
  2. Step 2: Convert to fraction form
    4,130.82/5,708.07 = 3,009.81/x
  3. Step 3: Cross multiply
    4,130.82x = 5,708.07 × 3,009.81
  4. Step 4: Simplify right side
    4,130.82x = 17,180,195.46
  5. Step 5: Solve for x
    x = 17,180,195.46/4,130.82
  6. Step 6: Final answer
    x = 4,159.03

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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.