Home / 5,815.55-8,025.49-3,457.71

Finding the Fourth Proportional to 5,815.55, 8,025.49 and 3,457.71

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Solution

The fourth proportional to 5,815.55, 8,025.49 and 3,457.71 is: 4,771.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,815.55 : 8,025.49 = 3,457.71 : x
  2. Step 2: Convert to fraction form
    5,815.55/8,025.49 = 3,457.71/x
  3. Step 3: Cross multiply
    5,815.55x = 8,025.49 × 3,457.71
  4. Step 4: Simplify right side
    5,815.55x = 27,749,759.61
  5. Step 5: Solve for x
    x = 27,749,759.61/5,815.55
  6. Step 6: Final answer
    x = 4,771.65

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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.