Home / 5,697.60-8,535.84-3,102.72

Finding the Fourth Proportional to 5,697.60, 8,535.84 and 3,102.72

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Solution

The fourth proportional to 5,697.60, 8,535.84 and 3,102.72 is: 4,648.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,697.60 : 8,535.84 = 3,102.72 : x
  2. Step 2: Convert to fraction form
    5,697.60/8,535.84 = 3,102.72/x
  3. Step 3: Cross multiply
    5,697.60x = 8,535.84 × 3,102.72
  4. Step 4: Simplify right side
    5,697.60x = 26,484,321.48
  5. Step 5: Solve for x
    x = 26,484,321.48/5,697.60
  6. Step 6: Final answer
    x = 4,648.33

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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.