Home / 5,890.60-8,132.84-3,903.85

Finding the Fourth Proportional to 5,890.60, 8,132.84 and 3,903.85

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Solution

The fourth proportional to 5,890.60, 8,132.84 and 3,903.85 is: 5,389.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,890.60 : 8,132.84 = 3,903.85 : x
  2. Step 2: Convert to fraction form
    5,890.60/8,132.84 = 3,903.85/x
  3. Step 3: Cross multiply
    5,890.60x = 8,132.84 × 3,903.85
  4. Step 4: Simplify right side
    5,890.60x = 31,749,387.43
  5. Step 5: Solve for x
    x = 31,749,387.43/5,890.60
  6. Step 6: Final answer
    x = 5,389.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.