Home / 6,639.45-9,949.87-4,994.07

Finding the Fourth Proportional to 6,639.45, 9,949.87 and 4,994.07

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Solution

The fourth proportional to 6,639.45, 9,949.87 and 4,994.07 is: 7,484.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,639.45 : 9,949.87 = 4,994.07 : x
  2. Step 2: Convert to fraction form
    6,639.45/9,949.87 = 4,994.07/x
  3. Step 3: Cross multiply
    6,639.45x = 9,949.87 × 4,994.07
  4. Step 4: Simplify right side
    6,639.45x = 49,690,347.27
  5. Step 5: Solve for x
    x = 49,690,347.27/6,639.45
  6. Step 6: Final answer
    x = 7,484.11

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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.