Home / 4,577.03-6,861.49-1,979.09

Finding the Fourth Proportional to 4,577.03, 6,861.49 and 1,979.09

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Solution

The fourth proportional to 4,577.03, 6,861.49 and 1,979.09 is: 2,966.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,577.03 : 6,861.49 = 1,979.09 : x
  2. Step 2: Convert to fraction form
    4,577.03/6,861.49 = 1,979.09/x
  3. Step 3: Cross multiply
    4,577.03x = 6,861.49 × 1,979.09
  4. Step 4: Simplify right side
    4,577.03x = 13,579,506.24
  5. Step 5: Solve for x
    x = 13,579,506.24/4,577.03
  6. Step 6: Final answer
    x = 2,966.88

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1.5x scale

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.