Home / 5,404.80-8,107.20-4,574.43

Finding the Fourth Proportional to 5,404.80, 8,107.20 and 4,574.43

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Solution

The fourth proportional to 5,404.80, 8,107.20 and 4,574.43 is: 6,861.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,404.80 : 8,107.20 = 4,574.43 : x
  2. Step 2: Convert to fraction form
    5,404.80/8,107.20 = 4,574.43/x
  3. Step 3: Cross multiply
    5,404.80x = 8,107.20 × 4,574.43
  4. Step 4: Simplify right side
    5,404.80x = 37,085,818.90
  5. Step 5: Solve for x
    x = 37,085,818.90/5,404.80
  6. Step 6: Final answer
    x = 6,861.65

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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.