Home / 5,322.09-7,982.64-2,510.28

Finding the Fourth Proportional to 5,322.09, 7,982.64 and 2,510.28

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Solution

The fourth proportional to 5,322.09, 7,982.64 and 2,510.28 is: 3,765.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,322.09 : 7,982.64 = 2,510.28 : x
  2. Step 2: Convert to fraction form
    5,322.09/7,982.64 = 2,510.28/x
  3. Step 3: Cross multiply
    5,322.09x = 7,982.64 × 2,510.28
  4. Step 4: Simplify right side
    5,322.09x = 20,038,609.07
  5. Step 5: Solve for x
    x = 20,038,609.07/5,322.09
  6. Step 6: Final answer
    x = 3,765.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.