Home / 7,134.92-9,846-3,948.33

Finding the Fourth Proportional to 7,134.92, 9,846 and 3,948.33

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Solution

The fourth proportional to 7,134.92, 9,846 and 3,948.33 is: 5,448.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,134.92 : 9,846 = 3,948.33 : x
  2. Step 2: Convert to fraction form
    7,134.92/9,846 = 3,948.33/x
  3. Step 3: Cross multiply
    7,134.92x = 9,846 × 3,948.33
  4. Step 4: Simplify right side
    7,134.92x = 38,875,257.18
  5. Step 5: Solve for x
    x = 38,875,257.18/7,134.92
  6. Step 6: Final answer
    x = 5,448.59

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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.