Home / 5,699.50-8,543.37-2,188.69

Finding the Fourth Proportional to 5,699.50, 8,543.37 and 2,188.69

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Solution

The fourth proportional to 5,699.50, 8,543.37 and 2,188.69 is: 3,280.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,699.50 : 8,543.37 = 2,188.69 : x
  2. Step 2: Convert to fraction form
    5,699.50/8,543.37 = 2,188.69/x
  3. Step 3: Cross multiply
    5,699.50x = 8,543.37 × 2,188.69
  4. Step 4: Simplify right side
    5,699.50x = 18,698,788.49
  5. Step 5: Solve for x
    x = 18,698,788.49/5,699.50
  6. Step 6: Final answer
    x = 3,280.78

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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.