Home / 7,022.56-10,531.68-2,642.08

Finding the Fourth Proportional to 7,022.56, 10,531.68 and 2,642.08

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Solution

The fourth proportional to 7,022.56, 10,531.68 and 2,642.08 is: 3,962.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,022.56 : 10,531.68 = 2,642.08 : x
  2. Step 2: Convert to fraction form
    7,022.56/10,531.68 = 2,642.08/x
  3. Step 3: Cross multiply
    7,022.56x = 10,531.68 × 2,642.08
  4. Step 4: Simplify right side
    7,022.56x = 27,825,541.09
  5. Step 5: Solve for x
    x = 27,825,541.09/7,022.56
  6. Step 6: Final answer
    x = 3,962.31

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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.