Home / 8,974.56-13,457.64-3,130.44

Finding the Fourth Proportional to 8,974.56, 13,457.64 and 3,130.44

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Solution

The fourth proportional to 8,974.56, 13,457.64 and 3,130.44 is: 4,694.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,974.56 : 13,457.64 = 3,130.44 : x
  2. Step 2: Convert to fraction form
    8,974.56/13,457.64 = 3,130.44/x
  3. Step 3: Cross multiply
    8,974.56x = 13,457.64 × 3,130.44
  4. Step 4: Simplify right side
    8,974.56x = 42,128,334.56
  5. Step 5: Solve for x
    x = 42,128,334.56/8,974.56
  6. Step 6: Final answer
    x = 4,694.19

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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.