Home / 7,089.26-10,633.89-1,895

Finding the Fourth Proportional to 7,089.26, 10,633.89 and 1,895

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Solution

The fourth proportional to 7,089.26, 10,633.89 and 1,895 is: 2,842.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,089.26 : 10,633.89 = 1,895 : x
  2. Step 2: Convert to fraction form
    7,089.26/10,633.89 = 1,895/x
  3. Step 3: Cross multiply
    7,089.26x = 10,633.89 × 1,895
  4. Step 4: Simplify right side
    7,089.26x = 20,151,221.55
  5. Step 5: Solve for x
    x = 20,151,221.55/7,089.26
  6. Step 6: Final answer
    x = 2,842.50

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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.