Home / 8,164.01-11,267.28-4,979.16

Finding the Fourth Proportional to 8,164.01, 11,267.28 and 4,979.16

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Solution

The fourth proportional to 8,164.01, 11,267.28 and 4,979.16 is: 6,871.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,164.01 : 11,267.28 = 4,979.16 : x
  2. Step 2: Convert to fraction form
    8,164.01/11,267.28 = 4,979.16/x
  3. Step 3: Cross multiply
    8,164.01x = 11,267.28 × 4,979.16
  4. Step 4: Simplify right side
    8,164.01x = 56,101,589.88
  5. Step 5: Solve for x
    x = 56,101,589.88/8,164.01
  6. Step 6: Final answer
    x = 6,871.82

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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.