Home / 9,625.03-13,282.44-5,645.38

Finding the Fourth Proportional to 9,625.03, 13,282.44 and 5,645.38

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Solution

The fourth proportional to 9,625.03, 13,282.44 and 5,645.38 is: 7,790.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,625.03 : 13,282.44 = 5,645.38 : x
  2. Step 2: Convert to fraction form
    9,625.03/13,282.44 = 5,645.38/x
  3. Step 3: Cross multiply
    9,625.03x = 13,282.44 × 5,645.38
  4. Step 4: Simplify right side
    9,625.03x = 74,984,421.13
  5. Step 5: Solve for x
    x = 74,984,421.13/9,625.03
  6. Step 6: Final answer
    x = 7,790.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.