Home / 8,678.98-11,977.19-5,094.96

Finding the Fourth Proportional to 8,678.98, 11,977.19 and 5,094.96

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Solution

The fourth proportional to 8,678.98, 11,977.19 and 5,094.96 is: 7,031.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,678.98 : 11,977.19 = 5,094.96 : x
  2. Step 2: Convert to fraction form
    8,678.98/11,977.19 = 5,094.96/x
  3. Step 3: Cross multiply
    8,678.98x = 11,977.19 × 5,094.96
  4. Step 4: Simplify right side
    8,678.98x = 61,023,244.08
  5. Step 5: Solve for x
    x = 61,023,244.08/8,678.98
  6. Step 6: Final answer
    x = 7,031.15

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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.