Home / 5,674.15-7,829.73-3,155.85

Finding the Fourth Proportional to 5,674.15, 7,829.73 and 3,155.85

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Solution

The fourth proportional to 5,674.15, 7,829.73 and 3,155.85 is: 4,354.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,674.15 : 7,829.73 = 3,155.85 : x
  2. Step 2: Convert to fraction form
    5,674.15/7,829.73 = 3,155.85/x
  3. Step 3: Cross multiply
    5,674.15x = 7,829.73 × 3,155.85
  4. Step 4: Simplify right side
    5,674.15x = 24,709,453.42
  5. Step 5: Solve for x
    x = 24,709,453.42/5,674.15
  6. Step 6: Final answer
    x = 4,354.74

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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.