Home / 4,919.04-7,379.10-1,631.88

Finding the Fourth Proportional to 4,919.04, 7,379.10 and 1,631.88

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Solution

The fourth proportional to 4,919.04, 7,379.10 and 1,631.88 is: 2,448.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,919.04 : 7,379.10 = 1,631.88 : x
  2. Step 2: Convert to fraction form
    4,919.04/7,379.10 = 1,631.88/x
  3. Step 3: Cross multiply
    4,919.04x = 7,379.10 × 1,631.88
  4. Step 4: Simplify right side
    4,919.04x = 12,041,805.71
  5. Step 5: Solve for x
    x = 12,041,805.71/4,919.04
  6. Step 6: Final answer
    x = 2,448.00

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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.