Home / 7,960.25-10,985.84-4,423.69

Finding the Fourth Proportional to 7,960.25, 10,985.84 and 4,423.69

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Solution

The fourth proportional to 7,960.25, 10,985.84 and 4,423.69 is: 6,105.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,960.25 : 10,985.84 = 4,423.69 : x
  2. Step 2: Convert to fraction form
    7,960.25/10,985.84 = 4,423.69/x
  3. Step 3: Cross multiply
    7,960.25x = 10,985.84 × 4,423.69
  4. Step 4: Simplify right side
    7,960.25x = 48,597,900.97
  5. Step 5: Solve for x
    x = 48,597,900.97/7,960.25
  6. Step 6: Final answer
    x = 6,105.07

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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.