Home / 8,505.35-11,739.29-4,729.84

Finding the Fourth Proportional to 8,505.35, 11,739.29 and 4,729.84

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Solution

The fourth proportional to 8,505.35, 11,739.29 and 4,729.84 is: 6,528.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,505.35 : 11,739.29 = 4,729.84 : x
  2. Step 2: Convert to fraction form
    8,505.35/11,739.29 = 4,729.84/x
  3. Step 3: Cross multiply
    8,505.35x = 11,739.29 × 4,729.84
  4. Step 4: Simplify right side
    8,505.35x = 55,524,963.41
  5. Step 5: Solve for x
    x = 55,524,963.41/8,505.35
  6. Step 6: Final answer
    x = 6,528.24

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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.