Home / 8,141.24-11,237.12-4,785.13

Finding the Fourth Proportional to 8,141.24, 11,237.12 and 4,785.13

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Solution

The fourth proportional to 8,141.24, 11,237.12 and 4,785.13 is: 6,604.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,141.24 : 11,237.12 = 4,785.13 : x
  2. Step 2: Convert to fraction form
    8,141.24/11,237.12 = 4,785.13/x
  3. Step 3: Cross multiply
    8,141.24x = 11,237.12 × 4,785.13
  4. Step 4: Simplify right side
    8,141.24x = 53,771,080.03
  5. Step 5: Solve for x
    x = 53,771,080.03/8,141.24
  6. Step 6: Final answer
    x = 6,604.78

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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.