Home / 7,921.92-10,932.33-4,385.34

Finding the Fourth Proportional to 7,921.92, 10,932.33 and 4,385.34

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Solution

The fourth proportional to 7,921.92, 10,932.33 and 4,385.34 is: 6,051.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,921.92 : 10,932.33 = 4,385.34 : x
  2. Step 2: Convert to fraction form
    7,921.92/10,932.33 = 4,385.34/x
  3. Step 3: Cross multiply
    7,921.92x = 10,932.33 × 4,385.34
  4. Step 4: Simplify right side
    7,921.92x = 47,941,984.04
  5. Step 5: Solve for x
    x = 47,941,984.04/7,921.92
  6. Step 6: Final answer
    x = 6,051.81

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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.