Home / 5,785.00-8,670.55-2,660.70

Finding the Fourth Proportional to 5,785.00, 8,670.55 and 2,660.70

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Solution

The fourth proportional to 5,785.00, 8,670.55 and 2,660.70 is: 3,987.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,785.00 : 8,670.55 = 2,660.70 : x
  2. Step 2: Convert to fraction form
    5,785.00/8,670.55 = 2,660.70/x
  3. Step 3: Cross multiply
    5,785.00x = 8,670.55 × 2,660.70
  4. Step 4: Simplify right side
    5,785.00x = 23,069,763.24
  5. Step 5: Solve for x
    x = 23,069,763.24/5,785.00
  6. Step 6: Final answer
    x = 3,987.86

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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.