Home / 8,333.89-12,500.60-3,402.34

Finding the Fourth Proportional to 8,333.89, 12,500.60 and 3,402.34

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Solution

The fourth proportional to 8,333.89, 12,500.60 and 3,402.34 is: 5,103.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,333.89 : 12,500.60 = 3,402.34 : x
  2. Step 2: Convert to fraction form
    8,333.89/12,500.60 = 3,402.34/x
  3. Step 3: Cross multiply
    8,333.89x = 12,500.60 × 3,402.34
  4. Step 4: Simplify right side
    8,333.89x = 42,531,243.14
  5. Step 5: Solve for x
    x = 42,531,243.14/8,333.89
  6. Step 6: Final answer
    x = 5,103.41

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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.