Home / 8,911.53-13,358.48-4,223.25

Finding the Fourth Proportional to 8,911.53, 13,358.48 and 4,223.25

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Solution

The fourth proportional to 8,911.53, 13,358.48 and 4,223.25 is: 6,330.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,911.53 : 13,358.48 = 4,223.25 : x
  2. Step 2: Convert to fraction form
    8,911.53/13,358.48 = 4,223.25/x
  3. Step 3: Cross multiply
    8,911.53x = 13,358.48 × 4,223.25
  4. Step 4: Simplify right side
    8,911.53x = 56,416,179.54
  5. Step 5: Solve for x
    x = 56,416,179.54/8,911.53
  6. Step 6: Final answer
    x = 6,330.70

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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.