Home / 8,301.29-11,455.83-4,945.79

Finding the Fourth Proportional to 8,301.29, 11,455.83 and 4,945.79

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Solution

The fourth proportional to 8,301.29, 11,455.83 and 4,945.79 is: 6,825.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,301.29 : 11,455.83 = 4,945.79 : x
  2. Step 2: Convert to fraction form
    8,301.29/11,455.83 = 4,945.79/x
  3. Step 3: Cross multiply
    8,301.29x = 11,455.83 × 4,945.79
  4. Step 4: Simplify right side
    8,301.29x = 56,658,158.10
  5. Step 5: Solve for x
    x = 56,658,158.10/8,301.29
  6. Step 6: Final answer
    x = 6,825.23

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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.