Home / 7,812.84-11,716.44-2,617.52

Finding the Fourth Proportional to 7,812.84, 11,716.44 and 2,617.52

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Solution

The fourth proportional to 7,812.84, 11,716.44 and 2,617.52 is: 3,925.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,812.84 : 11,716.44 = 2,617.52 : x
  2. Step 2: Convert to fraction form
    7,812.84/11,716.44 = 2,617.52/x
  3. Step 3: Cross multiply
    7,812.84x = 11,716.44 × 2,617.52
  4. Step 4: Simplify right side
    7,812.84x = 30,668,016.03
  5. Step 5: Solve for x
    x = 30,668,016.03/7,812.84
  6. Step 6: Final answer
    x = 3,925.34

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1.5x scale

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.