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Finding the Fourth Proportional to 7,893, 10,892.48 and 5,103.36

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Solution

The fourth proportional to 7,893, 10,892.48 and 5,103.36 is: 7,042.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,893 : 10,892.48 = 5,103.36 : x
  2. Step 2: Convert to fraction form
    7,893/10,892.48 = 5,103.36/x
  3. Step 3: Cross multiply
    7,893x = 10,892.48 × 5,103.36
  4. Step 4: Simplify right side
    7,893x = 55,588,221.22
  5. Step 5: Solve for x
    x = 55,588,221.22/7,893
  6. Step 6: Final answer
    x = 7,042.72

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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.