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Finding the Fourth Proportional to 7,803.13, 11,704.71 and 1,959.74

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Solution

The fourth proportional to 7,803.13, 11,704.71 and 1,959.74 is: 2,939.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,803.13 : 11,704.71 = 1,959.74 : x
  2. Step 2: Convert to fraction form
    7,803.13/11,704.71 = 1,959.74/x
  3. Step 3: Cross multiply
    7,803.13x = 11,704.71 × 1,959.74
  4. Step 4: Simplify right side
    7,803.13x = 22,938,188.38
  5. Step 5: Solve for x
    x = 22,938,188.38/7,803.13
  6. Step 6: Final answer
    x = 2,939.61

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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.