Home / 8,980.65-13,477.12-3,137.27

Finding the Fourth Proportional to 8,980.65, 13,477.12 and 3,137.27

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Solution

The fourth proportional to 8,980.65, 13,477.12 and 3,137.27 is: 4,708.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,980.65 : 13,477.12 = 3,137.27 : x
  2. Step 2: Convert to fraction form
    8,980.65/13,477.12 = 3,137.27/x
  3. Step 3: Cross multiply
    8,980.65x = 13,477.12 × 3,137.27
  4. Step 4: Simplify right side
    8,980.65x = 42,281,289.03
  5. Step 5: Solve for x
    x = 42,281,289.03/8,980.65
  6. Step 6: Final answer
    x = 4,708.04

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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.