Home / 7,860.38-11,790.56-4,397.63

Finding the Fourth Proportional to 7,860.38, 11,790.56 and 4,397.63

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Solution

The fourth proportional to 7,860.38, 11,790.56 and 4,397.63 is: 6,596.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,860.38 : 11,790.56 = 4,397.63 : x
  2. Step 2: Convert to fraction form
    7,860.38/11,790.56 = 4,397.63/x
  3. Step 3: Cross multiply
    7,860.38x = 11,790.56 × 4,397.63
  4. Step 4: Simplify right side
    7,860.38x = 51,850,472.41
  5. Step 5: Solve for x
    x = 51,850,472.41/7,860.38
  6. Step 6: Final answer
    x = 6,596.44

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Similar ratio
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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.