Home / 4,919.36-7,377.24-1,631.84

Finding the Fourth Proportional to 4,919.36, 7,377.24 and 1,631.84

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Solution

The fourth proportional to 4,919.36, 7,377.24 and 1,631.84 is: 2,447.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,919.36 : 7,377.24 = 1,631.84 : x
  2. Step 2: Convert to fraction form
    4,919.36/7,377.24 = 1,631.84/x
  3. Step 3: Cross multiply
    4,919.36x = 7,377.24 × 1,631.84
  4. Step 4: Simplify right side
    4,919.36x = 12,038,475.32
  5. Step 5: Solve for x
    x = 12,038,475.32/4,919.36
  6. Step 6: Final answer
    x = 2,447.16

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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.