Home / 5,749.71-8,621.33-1,999.77

Finding the Fourth Proportional to 5,749.71, 8,621.33 and 1,999.77

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Solution

The fourth proportional to 5,749.71, 8,621.33 and 1,999.77 is: 2,998.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,749.71 : 8,621.33 = 1,999.77 : x
  2. Step 2: Convert to fraction form
    5,749.71/8,621.33 = 1,999.77/x
  3. Step 3: Cross multiply
    5,749.71x = 8,621.33 × 1,999.77
  4. Step 4: Simplify right side
    5,749.71x = 17,240,667.10
  5. Step 5: Solve for x
    x = 17,240,667.10/5,749.71
  6. Step 6: Final answer
    x = 2,998.53

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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.