Home / 8,392.23-12,589.83-3,459.17

Finding the Fourth Proportional to 8,392.23, 12,589.83 and 3,459.17

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Solution

The fourth proportional to 8,392.23, 12,589.83 and 3,459.17 is: 5,189.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,392.23 : 12,589.83 = 3,459.17 : x
  2. Step 2: Convert to fraction form
    8,392.23/12,589.83 = 3,459.17/x
  3. Step 3: Cross multiply
    8,392.23x = 12,589.83 × 3,459.17
  4. Step 4: Simplify right side
    8,392.23x = 43,550,299.29
  5. Step 5: Solve for x
    x = 43,550,299.29/8,392.23
  6. Step 6: Final answer
    x = 5,189.36

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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.