Home / 7,921.26-10,932.77-4,939.04

Finding the Fourth Proportional to 7,921.26, 10,932.77 and 4,939.04

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Solution

The fourth proportional to 7,921.26, 10,932.77 and 4,939.04 is: 6,816.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,921.26 : 10,932.77 = 4,939.04 : x
  2. Step 2: Convert to fraction form
    7,921.26/10,932.77 = 4,939.04/x
  3. Step 3: Cross multiply
    7,921.26x = 10,932.77 × 4,939.04
  4. Step 4: Simplify right side
    7,921.26x = 53,997,428.02
  5. Step 5: Solve for x
    x = 53,997,428.02/7,921.26
  6. Step 6: Final answer
    x = 6,816.77

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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.