Home / 7,967.20-10,994.33-4,429.72

Finding the Fourth Proportional to 7,967.20, 10,994.33 and 4,429.72

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Solution

The fourth proportional to 7,967.20, 10,994.33 and 4,429.72 is: 6,112.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,967.20 : 10,994.33 = 4,429.72 : x
  2. Step 2: Convert to fraction form
    7,967.20/10,994.33 = 4,429.72/x
  3. Step 3: Cross multiply
    7,967.20x = 10,994.33 × 4,429.72
  4. Step 4: Simplify right side
    7,967.20x = 48,701,770.46
  5. Step 5: Solve for x
    x = 48,701,770.46/7,967.20
  6. Step 6: Final answer
    x = 6,112.79

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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.