Home / 5,543.21-8,313.33-1,646.69

Finding the Fourth Proportional to 5,543.21, 8,313.33 and 1,646.69

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Solution

The fourth proportional to 5,543.21, 8,313.33 and 1,646.69 is: 2,469.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,543.21 : 8,313.33 = 1,646.69 : x
  2. Step 2: Convert to fraction form
    5,543.21/8,313.33 = 1,646.69/x
  3. Step 3: Cross multiply
    5,543.21x = 8,313.33 × 1,646.69
  4. Step 4: Simplify right side
    5,543.21x = 13,689,477.38
  5. Step 5: Solve for x
    x = 13,689,477.38/5,543.21
  6. Step 6: Final answer
    x = 2,469.59

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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.