Home / 7,939.46-10,956.30-4,402.64

Finding the Fourth Proportional to 7,939.46, 10,956.30 and 4,402.64

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Solution

The fourth proportional to 7,939.46, 10,956.30 and 4,402.64 is: 6,075.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,939.46 : 10,956.30 = 4,402.64 : x
  2. Step 2: Convert to fraction form
    7,939.46/10,956.30 = 4,402.64/x
  3. Step 3: Cross multiply
    7,939.46x = 10,956.30 × 4,402.64
  4. Step 4: Simplify right side
    7,939.46x = 48,236,644.63
  5. Step 5: Solve for x
    x = 48,236,644.63/7,939.46
  6. Step 6: Final answer
    x = 6,075.56

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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.