Home / 7,939.35-10,956.38-4,354.34

Finding the Fourth Proportional to 7,939.35, 10,956.38 and 4,354.34

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Solution

The fourth proportional to 7,939.35, 10,956.38 and 4,354.34 is: 6,009.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,939.35 : 10,956.38 = 4,354.34 : x
  2. Step 2: Convert to fraction form
    7,939.35/10,956.38 = 4,354.34/x
  3. Step 3: Cross multiply
    7,939.35x = 10,956.38 × 4,354.34
  4. Step 4: Simplify right side
    7,939.35x = 47,707,844.07
  5. Step 5: Solve for x
    x = 47,707,844.07/7,939.35
  6. Step 6: Final answer
    x = 6,009.03

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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.