Home / 8,679.05-11,977.06-4,700.16

Finding the Fourth Proportional to 8,679.05, 11,977.06 and 4,700.16

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Solution

The fourth proportional to 8,679.05, 11,977.06 and 4,700.16 is: 6,486.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,679.05 : 11,977.06 = 4,700.16 : x
  2. Step 2: Convert to fraction form
    8,679.05/11,977.06 = 4,700.16/x
  3. Step 3: Cross multiply
    8,679.05x = 11,977.06 × 4,700.16
  4. Step 4: Simplify right side
    8,679.05x = 56,294,098.33
  5. Step 5: Solve for x
    x = 56,294,098.33/8,679.05
  6. Step 6: Final answer
    x = 6,486.21

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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.