Home / 8,166.98-11,270.42-4,980.27

Finding the Fourth Proportional to 8,166.98, 11,270.42 and 4,980.27

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Solution

The fourth proportional to 8,166.98, 11,270.42 and 4,980.27 is: 6,872.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,166.98 : 11,270.42 = 4,980.27 : x
  2. Step 2: Convert to fraction form
    8,166.98/11,270.42 = 4,980.27/x
  3. Step 3: Cross multiply
    8,166.98x = 11,270.42 × 4,980.27
  4. Step 4: Simplify right side
    8,166.98x = 56,129,734.61
  5. Step 5: Solve for x
    x = 56,129,734.61/8,166.98
  6. Step 6: Final answer
    x = 6,872.77

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1.5x scale

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.