Home / 8,749.96-13,134.32-4,857.64

Finding the Fourth Proportional to 8,749.96, 13,134.32 and 4,857.64

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Solution

The fourth proportional to 8,749.96, 13,134.32 and 4,857.64 is: 7,291.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,749.96 : 13,134.32 = 4,857.64 : x
  2. Step 2: Convert to fraction form
    8,749.96/13,134.32 = 4,857.64/x
  3. Step 3: Cross multiply
    8,749.96x = 13,134.32 × 4,857.64
  4. Step 4: Simplify right side
    8,749.96x = 63,801,798.20
  5. Step 5: Solve for x
    x = 63,801,798.20/8,749.96
  6. Step 6: Final answer
    x = 7,291.67

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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.