Home / 8,749.28-13,119.96-2,507.86

Finding the Fourth Proportional to 8,749.28, 13,119.96 and 2,507.86

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Solution

The fourth proportional to 8,749.28, 13,119.96 and 2,507.86 is: 3,760.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,749.28 : 13,119.96 = 2,507.86 : x
  2. Step 2: Convert to fraction form
    8,749.28/13,119.96 = 2,507.86/x
  3. Step 3: Cross multiply
    8,749.28x = 13,119.96 × 2,507.86
  4. Step 4: Simplify right side
    8,749.28x = 32,903,022.89
  5. Step 5: Solve for x
    x = 32,903,022.89/8,749.28
  6. Step 6: Final answer
    x = 3,760.65

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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.