Home / 8,521.98-11,760.42-4,984.50

Finding the Fourth Proportional to 8,521.98, 11,760.42 and 4,984.50

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Solution

The fourth proportional to 8,521.98, 11,760.42 and 4,984.50 is: 6,878.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,521.98 : 11,760.42 = 4,984.50 : x
  2. Step 2: Convert to fraction form
    8,521.98/11,760.42 = 4,984.50/x
  3. Step 3: Cross multiply
    8,521.98x = 11,760.42 × 4,984.50
  4. Step 4: Simplify right side
    8,521.98x = 58,619,813.49
  5. Step 5: Solve for x
    x = 58,619,813.49/8,521.98
  6. Step 6: Final answer
    x = 6,878.66

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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.