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Finding the Fourth Proportional to 8,907, 13,360.68 and 2,333.76

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Solution

The fourth proportional to 8,907, 13,360.68 and 2,333.76 is: 3,500.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,907 : 13,360.68 = 2,333.76 : x
  2. Step 2: Convert to fraction form
    8,907/13,360.68 = 2,333.76/x
  3. Step 3: Cross multiply
    8,907x = 13,360.68 × 2,333.76
  4. Step 4: Simplify right side
    8,907x = 31,180,620.56
  5. Step 5: Solve for x
    x = 31,180,620.56/8,907
  6. Step 6: Final answer
    x = 3,500.69

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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.