Home / 8,814.67-12,164.63-5,277.20

Finding the Fourth Proportional to 8,814.67, 12,164.63 and 5,277.20

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Solution

The fourth proportional to 8,814.67, 12,164.63 and 5,277.20 is: 7,282.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,814.67 : 12,164.63 = 5,277.20 : x
  2. Step 2: Convert to fraction form
    8,814.67/12,164.63 = 5,277.20/x
  3. Step 3: Cross multiply
    8,814.67x = 12,164.63 × 5,277.20
  4. Step 4: Simplify right side
    8,814.67x = 64,195,185.44
  5. Step 5: Solve for x
    x = 64,195,185.44/8,814.67
  6. Step 6: Final answer
    x = 7,282.77

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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.