Home / 7,429.83-11,137.80-3,727.72

Finding the Fourth Proportional to 7,429.83, 11,137.80 and 3,727.72

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Solution

The fourth proportional to 7,429.83, 11,137.80 and 3,727.72 is: 5,588.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,429.83 : 11,137.80 = 3,727.72 : x
  2. Step 2: Convert to fraction form
    7,429.83/11,137.80 = 3,727.72/x
  3. Step 3: Cross multiply
    7,429.83x = 11,137.80 × 3,727.72
  4. Step 4: Simplify right side
    7,429.83x = 41,518,581.18
  5. Step 5: Solve for x
    x = 41,518,581.18/7,429.83
  6. Step 6: Final answer
    x = 5,588.10

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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.