Home / 8,805.56-13,199.31-3,874.28

Finding the Fourth Proportional to 8,805.56, 13,199.31 and 3,874.28

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Solution

The fourth proportional to 8,805.56, 13,199.31 and 3,874.28 is: 5,807.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,805.56 : 13,199.31 = 3,874.28 : x
  2. Step 2: Convert to fraction form
    8,805.56/13,199.31 = 3,874.28/x
  3. Step 3: Cross multiply
    8,805.56x = 13,199.31 × 3,874.28
  4. Step 4: Simplify right side
    8,805.56x = 51,137,822.75
  5. Step 5: Solve for x
    x = 51,137,822.75/8,805.56
  6. Step 6: Final answer
    x = 5,807.45

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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.