Home / 7,729.49-11,587.36-2,798.04

Finding the Fourth Proportional to 7,729.49, 11,587.36 and 2,798.04

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Solution

The fourth proportional to 7,729.49, 11,587.36 and 2,798.04 is: 4,194.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,729.49 : 11,587.36 = 2,798.04 : x
  2. Step 2: Convert to fraction form
    7,729.49/11,587.36 = 2,798.04/x
  3. Step 3: Cross multiply
    7,729.49x = 11,587.36 × 2,798.04
  4. Step 4: Simplify right side
    7,729.49x = 32,421,831.84
  5. Step 5: Solve for x
    x = 32,421,831.84/7,729.49
  6. Step 6: Final answer
    x = 4,194.56

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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.