Home / 8,749.89-13,124.61-2,176.07

Finding the Fourth Proportional to 8,749.89, 13,124.61 and 2,176.07

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Solution

The fourth proportional to 8,749.89, 13,124.61 and 2,176.07 is: 3,264.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,749.89 : 13,124.61 = 2,176.07 : x
  2. Step 2: Convert to fraction form
    8,749.89/13,124.61 = 2,176.07/x
  3. Step 3: Cross multiply
    8,749.89x = 13,124.61 × 2,176.07
  4. Step 4: Simplify right side
    8,749.89x = 28,560,004.46
  5. Step 5: Solve for x
    x = 28,560,004.46/8,749.89
  6. Step 6: Final answer
    x = 3,264.04

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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.