Home / 10,977.08-16,461.48-3,579.80

Finding the Fourth Proportional to 10,977.08, 16,461.48 and 3,579.80

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Solution

The fourth proportional to 10,977.08, 16,461.48 and 3,579.80 is: 5,368.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,977.08 : 16,461.48 = 3,579.80 : x
  2. Step 2: Convert to fraction form
    10,977.08/16,461.48 = 3,579.80/x
  3. Step 3: Cross multiply
    10,977.08x = 16,461.48 × 3,579.80
  4. Step 4: Simplify right side
    10,977.08x = 58,928,806.10
  5. Step 5: Solve for x
    x = 58,928,806.10/10,977.08
  6. Step 6: Final answer
    x = 5,368.35

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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.