Home / 5,651.15-8,474.70-2,876.90

Finding the Fourth Proportional to 5,651.15, 8,474.70 and 2,876.90

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Solution

The fourth proportional to 5,651.15, 8,474.70 and 2,876.90 is: 4,314.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,651.15 : 8,474.70 = 2,876.90 : x
  2. Step 2: Convert to fraction form
    5,651.15/8,474.70 = 2,876.90/x
  3. Step 3: Cross multiply
    5,651.15x = 8,474.70 × 2,876.90
  4. Step 4: Simplify right side
    5,651.15x = 24,380,864.43
  5. Step 5: Solve for x
    x = 24,380,864.43/5,651.15
  6. Step 6: Final answer
    x = 4,314.32

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1.5x scale

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.