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Finding the Fourth Proportional to 8,676.03, 13,014.05 and 4,289.07

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Solution

The fourth proportional to 8,676.03, 13,014.05 and 4,289.07 is: 6,433.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,676.03 : 13,014.05 = 4,289.07 : x
  2. Step 2: Convert to fraction form
    8,676.03/13,014.05 = 4,289.07/x
  3. Step 3: Cross multiply
    8,676.03x = 13,014.05 × 4,289.07
  4. Step 4: Simplify right side
    8,676.03x = 55,818,149.99
  5. Step 5: Solve for x
    x = 55,818,149.99/8,676.03
  6. Step 6: Final answer
    x = 6,433.61

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Half scale
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Double scale
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Similar ratio
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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.