Home / 8,729.82-12,047.04-4,750.86

Finding the Fourth Proportional to 8,729.82, 12,047.04 and 4,750.86

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Solution

The fourth proportional to 8,729.82, 12,047.04 and 4,750.86 is: 6,556.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,729.82 : 12,047.04 = 4,750.86 : x
  2. Step 2: Convert to fraction form
    8,729.82/12,047.04 = 4,750.86/x
  3. Step 3: Cross multiply
    8,729.82x = 12,047.04 × 4,750.86
  4. Step 4: Simplify right side
    8,729.82x = 57,233,800.45
  5. Step 5: Solve for x
    x = 57,233,800.45/8,729.82
  6. Step 6: Final answer
    x = 6,556.13

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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.