Home / 5,749.20-8,623.89-1,800.56

Finding the Fourth Proportional to 5,749.20, 8,623.89 and 1,800.56

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Solution

The fourth proportional to 5,749.20, 8,623.89 and 1,800.56 is: 2,700.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,749.20 : 8,623.89 = 1,800.56 : x
  2. Step 2: Convert to fraction form
    5,749.20/8,623.89 = 1,800.56/x
  3. Step 3: Cross multiply
    5,749.20x = 8,623.89 × 1,800.56
  4. Step 4: Simplify right side
    5,749.20x = 15,527,852.94
  5. Step 5: Solve for x
    x = 15,527,852.94/5,749.20
  6. Step 6: Final answer
    x = 2,700.87

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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.