Home / 8,749.08-13,121.82-2,507.71

Finding the Fourth Proportional to 8,749.08, 13,121.82 and 2,507.71

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Solution

The fourth proportional to 8,749.08, 13,121.82 and 2,507.71 is: 3,761.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,749.08 : 13,121.82 = 2,507.71 : x
  2. Step 2: Convert to fraction form
    8,749.08/13,121.82 = 2,507.71/x
  3. Step 3: Cross multiply
    8,749.08x = 13,121.82 × 2,507.71
  4. Step 4: Simplify right side
    8,749.08x = 32,905,707.59
  5. Step 5: Solve for x
    x = 32,905,707.59/8,749.08
  6. Step 6: Final answer
    x = 3,761.05

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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.