Home / 7,809.45-11,713.41-4,298.30

Finding the Fourth Proportional to 7,809.45, 11,713.41 and 4,298.30

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Solution

The fourth proportional to 7,809.45, 11,713.41 and 4,298.30 is: 6,447.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,809.45 : 11,713.41 = 4,298.30 : x
  2. Step 2: Convert to fraction form
    7,809.45/11,713.41 = 4,298.30/x
  3. Step 3: Cross multiply
    7,809.45x = 11,713.41 × 4,298.30
  4. Step 4: Simplify right side
    7,809.45x = 50,347,735.56
  5. Step 5: Solve for x
    x = 50,347,735.56/7,809.45
  6. Step 6: Final answer
    x = 6,447.03

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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.