Home / 8,165.98-11,269.04-4,979.27

Finding the Fourth Proportional to 8,165.98, 11,269.04 and 4,979.27

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Solution

The fourth proportional to 8,165.98, 11,269.04 and 4,979.27 is: 6,871.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,165.98 : 11,269.04 = 4,979.27 : x
  2. Step 2: Convert to fraction form
    8,165.98/11,269.04 = 4,979.27/x
  3. Step 3: Cross multiply
    8,165.98x = 11,269.04 × 4,979.27
  4. Step 4: Simplify right side
    8,165.98x = 56,111,633.42
  5. Step 5: Solve for x
    x = 56,111,633.42/8,165.98
  6. Step 6: Final answer
    x = 6,871.39

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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.