Home / 8,788.54-12,126.98-5,251

Finding the Fourth Proportional to 8,788.54, 12,126.98 and 5,251

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Solution

The fourth proportional to 8,788.54, 12,126.98 and 5,251 is: 7,245.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,788.54 : 12,126.98 = 5,251 : x
  2. Step 2: Convert to fraction form
    8,788.54/12,126.98 = 5,251/x
  3. Step 3: Cross multiply
    8,788.54x = 12,126.98 × 5,251
  4. Step 4: Simplify right side
    8,788.54x = 63,678,771.98
  5. Step 5: Solve for x
    x = 63,678,771.98/8,788.54
  6. Step 6: Final answer
    x = 7,245.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.