Home / 8,974.08-13,461.84-3,130.56

Finding the Fourth Proportional to 8,974.08, 13,461.84 and 3,130.56

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Solution

The fourth proportional to 8,974.08, 13,461.84 and 3,130.56 is: 4,696.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,974.08 : 13,461.84 = 3,130.56 : x
  2. Step 2: Convert to fraction form
    8,974.08/13,461.84 = 3,130.56/x
  3. Step 3: Cross multiply
    8,974.08x = 13,461.84 × 3,130.56
  4. Step 4: Simplify right side
    8,974.08x = 42,143,097.83
  5. Step 5: Solve for x
    x = 42,143,097.83/8,974.08
  6. Step 6: Final answer
    x = 4,696.09

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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.