Home / 8,749.35-13,120.52-3,201.12

Finding the Fourth Proportional to 8,749.35, 13,120.52 and 3,201.12

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Solution

The fourth proportional to 8,749.35, 13,120.52 and 3,201.12 is: 4,800.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,749.35 : 13,120.52 = 3,201.12 : x
  2. Step 2: Convert to fraction form
    8,749.35/13,120.52 = 3,201.12/x
  3. Step 3: Cross multiply
    8,749.35x = 13,120.52 × 3,201.12
  4. Step 4: Simplify right side
    8,749.35x = 42,000,342.98
  5. Step 5: Solve for x
    x = 42,000,342.98/8,749.35
  6. Step 6: Final answer
    x = 4,800.40

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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.