Home / 8,781.23-13,173.82-4,623.20

Finding the Fourth Proportional to 8,781.23, 13,173.82 and 4,623.20

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Solution

The fourth proportional to 8,781.23, 13,173.82 and 4,623.20 is: 6,935.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,781.23 : 13,173.82 = 4,623.20 : x
  2. Step 2: Convert to fraction form
    8,781.23/13,173.82 = 4,623.20/x
  3. Step 3: Cross multiply
    8,781.23x = 13,173.82 × 4,623.20
  4. Step 4: Simplify right side
    8,781.23x = 60,905,127.20
  5. Step 5: Solve for x
    x = 60,905,127.20/8,781.23
  6. Step 6: Final answer
    x = 6,935.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.