Home / 8,516.26-11,748.63-4,977.91

Finding the Fourth Proportional to 8,516.26, 11,748.63 and 4,977.91

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Solution

The fourth proportional to 8,516.26, 11,748.63 and 4,977.91 is: 6,867.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,516.26 : 11,748.63 = 4,977.91 : x
  2. Step 2: Convert to fraction form
    8,516.26/11,748.63 = 4,977.91/x
  3. Step 3: Cross multiply
    8,516.26x = 11,748.63 × 4,977.91
  4. Step 4: Simplify right side
    8,516.26x = 58,483,622.76
  5. Step 5: Solve for x
    x = 58,483,622.76/8,516.26
  6. Step 6: Final answer
    x = 6,867.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.