Home / 5,623.43-8,422.84-3,642.17

Finding the Fourth Proportional to 5,623.43, 8,422.84 and 3,642.17

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Solution

The fourth proportional to 5,623.43, 8,422.84 and 3,642.17 is: 5,455.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,623.43 : 8,422.84 = 3,642.17 : x
  2. Step 2: Convert to fraction form
    5,623.43/8,422.84 = 3,642.17/x
  3. Step 3: Cross multiply
    5,623.43x = 8,422.84 × 3,642.17
  4. Step 4: Simplify right side
    5,623.43x = 30,677,357.11
  5. Step 5: Solve for x
    x = 30,677,357.11/5,623.43
  6. Step 6: Final answer
    x = 5,455.28

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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.