Home / 8,498.21-12,738.54-6,152.39

Finding the Fourth Proportional to 8,498.21, 12,738.54 and 6,152.39

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Solution

The fourth proportional to 8,498.21, 12,738.54 and 6,152.39 is: 9,222.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,498.21 : 12,738.54 = 6,152.39 : x
  2. Step 2: Convert to fraction form
    8,498.21/12,738.54 = 6,152.39/x
  3. Step 3: Cross multiply
    8,498.21x = 12,738.54 × 6,152.39
  4. Step 4: Simplify right side
    8,498.21x = 78,372,402.42
  5. Step 5: Solve for x
    x = 78,372,402.42/8,498.21
  6. Step 6: Final answer
    x = 9,222.23

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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.