Home / 7,027.80-10,538.61-2,642.16

Finding the Fourth Proportional to 7,027.80, 10,538.61 and 2,642.16

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Solution

The fourth proportional to 7,027.80, 10,538.61 and 2,642.16 is: 3,962.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,027.80 : 10,538.61 = 2,642.16 : x
  2. Step 2: Convert to fraction form
    7,027.80/10,538.61 = 2,642.16/x
  3. Step 3: Cross multiply
    7,027.80x = 10,538.61 × 2,642.16
  4. Step 4: Simplify right side
    7,027.80x = 27,844,693.80
  5. Step 5: Solve for x
    x = 27,844,693.80/7,027.80
  6. Step 6: Final answer
    x = 3,962.08

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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.