Home / 8,817.58-12,162.72-6,164.02

Finding the Fourth Proportional to 8,817.58, 12,162.72 and 6,164.02

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Solution

The fourth proportional to 8,817.58, 12,162.72 and 6,164.02 is: 8,502.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,817.58 : 12,162.72 = 6,164.02 : x
  2. Step 2: Convert to fraction form
    8,817.58/12,162.72 = 6,164.02/x
  3. Step 3: Cross multiply
    8,817.58x = 12,162.72 × 6,164.02
  4. Step 4: Simplify right side
    8,817.58x = 74,971,249.33
  5. Step 5: Solve for x
    x = 74,971,249.33/8,817.58
  6. Step 6: Final answer
    x = 8,502.47

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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.