Home / 9,728.82-13,425.75-5,537.07

Finding the Fourth Proportional to 9,728.82, 13,425.75 and 5,537.07

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Solution

The fourth proportional to 9,728.82, 13,425.75 and 5,537.07 is: 7,641.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,728.82 : 13,425.75 = 5,537.07 : x
  2. Step 2: Convert to fraction form
    9,728.82/13,425.75 = 5,537.07/x
  3. Step 3: Cross multiply
    9,728.82x = 13,425.75 × 5,537.07
  4. Step 4: Simplify right side
    9,728.82x = 74,339,317.55
  5. Step 5: Solve for x
    x = 74,339,317.55/9,728.82
  6. Step 6: Final answer
    x = 7,641.14

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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.