Home / 5,171.61-7,759.29-2,538.83

Finding the Fourth Proportional to 5,171.61, 7,759.29 and 2,538.83

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Solution

The fourth proportional to 5,171.61, 7,759.29 and 2,538.83 is: 3,809.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,171.61 : 7,759.29 = 2,538.83 : x
  2. Step 2: Convert to fraction form
    5,171.61/7,759.29 = 2,538.83/x
  3. Step 3: Cross multiply
    5,171.61x = 7,759.29 × 2,538.83
  4. Step 4: Simplify right side
    5,171.61x = 19,699,528.11
  5. Step 5: Solve for x
    x = 19,699,528.11/5,171.61
  6. Step 6: Final answer
    x = 3,809.17

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1.5x scale

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.