Home / 9,486.94-13,091.92-5,238.26

Finding the Fourth Proportional to 9,486.94, 13,091.92 and 5,238.26

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Solution

The fourth proportional to 9,486.94, 13,091.92 and 5,238.26 is: 7,228.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,486.94 : 13,091.92 = 5,238.26 : x
  2. Step 2: Convert to fraction form
    9,486.94/13,091.92 = 5,238.26/x
  3. Step 3: Cross multiply
    9,486.94x = 13,091.92 × 5,238.26
  4. Step 4: Simplify right side
    9,486.94x = 68,578,925.04
  5. Step 5: Solve for x
    x = 68,578,925.04/9,486.94
  6. Step 6: Final answer
    x = 7,228.77

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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.