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Finding the Fourth Proportional to 6,999.52, 10,490.40 and 3,293.68

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Solution

The fourth proportional to 6,999.52, 10,490.40 and 3,293.68 is: 4,936.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,999.52 : 10,490.40 = 3,293.68 : x
  2. Step 2: Convert to fraction form
    6,999.52/10,490.40 = 3,293.68/x
  3. Step 3: Cross multiply
    6,999.52x = 10,490.40 × 3,293.68
  4. Step 4: Simplify right side
    6,999.52x = 34,552,020.67
  5. Step 5: Solve for x
    x = 34,552,020.67/6,999.52
  6. Step 6: Final answer
    x = 4,936.34

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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.