Home / 5,820.10-8,728.84-1,660.03

Finding the Fourth Proportional to 5,820.10, 8,728.84 and 1,660.03

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Solution

The fourth proportional to 5,820.10, 8,728.84 and 1,660.03 is: 2,489.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,820.10 : 8,728.84 = 1,660.03 : x
  2. Step 2: Convert to fraction form
    5,820.10/8,728.84 = 1,660.03/x
  3. Step 3: Cross multiply
    5,820.10x = 8,728.84 × 1,660.03
  4. Step 4: Simplify right side
    5,820.10x = 14,490,136.27
  5. Step 5: Solve for x
    x = 14,490,136.27/5,820.10
  6. Step 6: Final answer
    x = 2,489.67

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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.