Home / 7,654.88-11,472.60-3,705.32

Finding the Fourth Proportional to 7,654.88, 11,472.60 and 3,705.32

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Solution

The fourth proportional to 7,654.88, 11,472.60 and 3,705.32 is: 5,553.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,654.88 : 11,472.60 = 3,705.32 : x
  2. Step 2: Convert to fraction form
    7,654.88/11,472.60 = 3,705.32/x
  3. Step 3: Cross multiply
    7,654.88x = 11,472.60 × 3,705.32
  4. Step 4: Simplify right side
    7,654.88x = 42,509,654.23
  5. Step 5: Solve for x
    x = 42,509,654.23/7,654.88
  6. Step 6: Final answer
    x = 5,553.28

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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.