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Finding the Fourth Proportional to 5,669.40, 8,504.12 and 1,720.69

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Solution

The fourth proportional to 5,669.40, 8,504.12 and 1,720.69 is: 2,581.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,669.40 : 8,504.12 = 1,720.69 : x
  2. Step 2: Convert to fraction form
    5,669.40/8,504.12 = 1,720.69/x
  3. Step 3: Cross multiply
    5,669.40x = 8,504.12 × 1,720.69
  4. Step 4: Simplify right side
    5,669.40x = 14,632,924.38
  5. Step 5: Solve for x
    x = 14,632,924.38/5,669.40
  6. Step 6: Final answer
    x = 2,581.04

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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.