Home / 6,953.45-10,428.28-1,955.54

Finding the Fourth Proportional to 6,953.45, 10,428.28 and 1,955.54

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Solution

The fourth proportional to 6,953.45, 10,428.28 and 1,955.54 is: 2,932.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,953.45 : 10,428.28 = 1,955.54 : x
  2. Step 2: Convert to fraction form
    6,953.45/10,428.28 = 1,955.54/x
  3. Step 3: Cross multiply
    6,953.45x = 10,428.28 × 1,955.54
  4. Step 4: Simplify right side
    6,953.45x = 20,392,939.85
  5. Step 5: Solve for x
    x = 20,392,939.85/6,953.45
  6. Step 6: Final answer
    x = 2,932.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.