Home / 5,669.49-8,504.25-1,720.78

Finding the Fourth Proportional to 5,669.49, 8,504.25 and 1,720.78

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Solution

The fourth proportional to 5,669.49, 8,504.25 and 1,720.78 is: 2,581.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,669.49 : 8,504.25 = 1,720.78 : x
  2. Step 2: Convert to fraction form
    5,669.49/8,504.25 = 1,720.78/x
  3. Step 3: Cross multiply
    5,669.49x = 8,504.25 × 1,720.78
  4. Step 4: Simplify right side
    5,669.49x = 14,633,896.49
  5. Step 5: Solve for x
    x = 14,633,896.49/5,669.49
  6. Step 6: Final answer
    x = 2,581.17

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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.