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Finding the Fourth Proportional to 7,663.03, 10,575.25 and 4,305.77

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Solution

The fourth proportional to 7,663.03, 10,575.25 and 4,305.77 is: 5,942.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,663.03 : 10,575.25 = 4,305.77 : x
  2. Step 2: Convert to fraction form
    7,663.03/10,575.25 = 4,305.77/x
  3. Step 3: Cross multiply
    7,663.03x = 10,575.25 × 4,305.77
  4. Step 4: Simplify right side
    7,663.03x = 45,534,594.19
  5. Step 5: Solve for x
    x = 45,534,594.19/7,663.03
  6. Step 6: Final answer
    x = 5,942.11

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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.