Home / 6,616.36-9,928.98-2,919.65

Finding the Fourth Proportional to 6,616.36, 9,928.98 and 2,919.65

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Solution

The fourth proportional to 6,616.36, 9,928.98 and 2,919.65 is: 4,381.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,616.36 : 9,928.98 = 2,919.65 : x
  2. Step 2: Convert to fraction form
    6,616.36/9,928.98 = 2,919.65/x
  3. Step 3: Cross multiply
    6,616.36x = 9,928.98 × 2,919.65
  4. Step 4: Simplify right side
    6,616.36x = 28,989,096.81
  5. Step 5: Solve for x
    x = 28,989,096.81/6,616.36
  6. Step 6: Final answer
    x = 4,381.43

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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.