Home / 7,740.25-10,682.20-4,383.65

Finding the Fourth Proportional to 7,740.25, 10,682.20 and 4,383.65

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Solution

The fourth proportional to 7,740.25, 10,682.20 and 4,383.65 is: 6,049.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,740.25 : 10,682.20 = 4,383.65 : x
  2. Step 2: Convert to fraction form
    7,740.25/10,682.20 = 4,383.65/x
  3. Step 3: Cross multiply
    7,740.25x = 10,682.20 × 4,383.65
  4. Step 4: Simplify right side
    7,740.25x = 46,827,026.03
  5. Step 5: Solve for x
    x = 46,827,026.03/7,740.25
  6. Step 6: Final answer
    x = 6,049.81

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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.