Home / 8,749.62-13,126.59-4,072.86

Finding the Fourth Proportional to 8,749.62, 13,126.59 and 4,072.86

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Solution

The fourth proportional to 8,749.62, 13,126.59 and 4,072.86 is: 6,110.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,749.62 : 13,126.59 = 4,072.86 : x
  2. Step 2: Convert to fraction form
    8,749.62/13,126.59 = 4,072.86/x
  3. Step 3: Cross multiply
    8,749.62x = 13,126.59 × 4,072.86
  4. Step 4: Simplify right side
    8,749.62x = 53,462,763.35
  5. Step 5: Solve for x
    x = 53,462,763.35/8,749.62
  6. Step 6: Final answer
    x = 6,110.30

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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.