Home / 7,380.28-11,071.54-2,636.07

Finding the Fourth Proportional to 7,380.28, 11,071.54 and 2,636.07

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Solution

The fourth proportional to 7,380.28, 11,071.54 and 2,636.07 is: 3,954.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,380.28 : 11,071.54 = 2,636.07 : x
  2. Step 2: Convert to fraction form
    7,380.28/11,071.54 = 2,636.07/x
  3. Step 3: Cross multiply
    7,380.28x = 11,071.54 × 2,636.07
  4. Step 4: Simplify right side
    7,380.28x = 29,185,332.54
  5. Step 5: Solve for x
    x = 29,185,332.54/7,380.28
  6. Step 6: Final answer
    x = 3,954.50

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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.