Home / 8,322.59-11,485.52-4,785.80

Finding the Fourth Proportional to 8,322.59, 11,485.52 and 4,785.80

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Solution

The fourth proportional to 8,322.59, 11,485.52 and 4,785.80 is: 6,604.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,322.59 : 11,485.52 = 4,785.80 : x
  2. Step 2: Convert to fraction form
    8,322.59/11,485.52 = 4,785.80/x
  3. Step 3: Cross multiply
    8,322.59x = 11,485.52 × 4,785.80
  4. Step 4: Simplify right side
    8,322.59x = 54,967,425.36
  5. Step 5: Solve for x
    x = 54,967,425.36/8,322.59
  6. Step 6: Final answer
    x = 6,604.60

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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.