Home / 8,180.96-11,283.64-5,194.20

Finding the Fourth Proportional to 8,180.96, 11,283.64 and 5,194.20

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Solution

The fourth proportional to 8,180.96, 11,283.64 and 5,194.20 is: 7,164.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,180.96 : 11,283.64 = 5,194.20 : x
  2. Step 2: Convert to fraction form
    8,180.96/11,283.64 = 5,194.20/x
  3. Step 3: Cross multiply
    8,180.96x = 11,283.64 × 5,194.20
  4. Step 4: Simplify right side
    8,180.96x = 58,609,482.89
  5. Step 5: Solve for x
    x = 58,609,482.89/8,180.96
  6. Step 6: Final answer
    x = 7,164.13

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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.