Home / 7,767.45-11,644.18-2,833.63

Finding the Fourth Proportional to 7,767.45, 11,644.18 and 2,833.63

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Solution

The fourth proportional to 7,767.45, 11,644.18 and 2,833.63 is: 4,247.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,767.45 : 11,644.18 = 2,833.63 : x
  2. Step 2: Convert to fraction form
    7,767.45/11,644.18 = 2,833.63/x
  3. Step 3: Cross multiply
    7,767.45x = 11,644.18 × 2,833.63
  4. Step 4: Simplify right side
    7,767.45x = 32,995,261.58
  5. Step 5: Solve for x
    x = 32,995,261.58/7,767.45
  6. Step 6: Final answer
    x = 4,247.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.