Home / 7,145.13-10,710.79-3,194.16

Finding the Fourth Proportional to 7,145.13, 10,710.79 and 3,194.16

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Solution

The fourth proportional to 7,145.13, 10,710.79 and 3,194.16 is: 4,788.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,145.13 : 10,710.79 = 3,194.16 : x
  2. Step 2: Convert to fraction form
    7,145.13/10,710.79 = 3,194.16/x
  3. Step 3: Cross multiply
    7,145.13x = 10,710.79 × 3,194.16
  4. Step 4: Simplify right side
    7,145.13x = 34,211,928.84
  5. Step 5: Solve for x
    x = 34,211,928.84/7,145.13
  6. Step 6: Final answer
    x = 4,788.14

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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.