Home / 8,820.23-12,171.06-5,283.36

Finding the Fourth Proportional to 8,820.23, 12,171.06 and 5,283.36

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Solution

The fourth proportional to 8,820.23, 12,171.06 and 5,283.36 is: 7,290.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,820.23 : 12,171.06 = 5,283.36 : x
  2. Step 2: Convert to fraction form
    8,820.23/12,171.06 = 5,283.36/x
  3. Step 3: Cross multiply
    8,820.23x = 12,171.06 × 5,283.36
  4. Step 4: Simplify right side
    8,820.23x = 64,304,091.56
  5. Step 5: Solve for x
    x = 64,304,091.56/8,820.23
  6. Step 6: Final answer
    x = 7,290.53

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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.