Home / 8,505.45-11,738.25-4,729.32

Finding the Fourth Proportional to 8,505.45, 11,738.25 and 4,729.32

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Solution

The fourth proportional to 8,505.45, 11,738.25 and 4,729.32 is: 6,526.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,505.45 : 11,738.25 = 4,729.32 : x
  2. Step 2: Convert to fraction form
    8,505.45/11,738.25 = 4,729.32/x
  3. Step 3: Cross multiply
    8,505.45x = 11,738.25 × 4,729.32
  4. Step 4: Simplify right side
    8,505.45x = 55,513,940.49
  5. Step 5: Solve for x
    x = 55,513,940.49/8,505.45
  6. Step 6: Final answer
    x = 6,526.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.