Home / 7,943.15-10,956.96-4,953.79

Finding the Fourth Proportional to 7,943.15, 10,956.96 and 4,953.79

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Solution

The fourth proportional to 7,943.15, 10,956.96 and 4,953.79 is: 6,833.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,943.15 : 10,956.96 = 4,953.79 : x
  2. Step 2: Convert to fraction form
    7,943.15/10,956.96 = 4,953.79/x
  3. Step 3: Cross multiply
    7,943.15x = 10,956.96 × 4,953.79
  4. Step 4: Simplify right side
    7,943.15x = 54,278,478.88
  5. Step 5: Solve for x
    x = 54,278,478.88/7,943.15
  6. Step 6: Final answer
    x = 6,833.37

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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.