Home / 5,757.92-8,630.40-2,830.08

Finding the Fourth Proportional to 5,757.92, 8,630.40 and 2,830.08

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Solution

The fourth proportional to 5,757.92, 8,630.40 and 2,830.08 is: 4,241.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,757.92 : 8,630.40 = 2,830.08 : x
  2. Step 2: Convert to fraction form
    5,757.92/8,630.40 = 2,830.08/x
  3. Step 3: Cross multiply
    5,757.92x = 8,630.40 × 2,830.08
  4. Step 4: Simplify right side
    5,757.92x = 24,424,722.43
  5. Step 5: Solve for x
    x = 24,424,722.43/5,757.92
  6. Step 6: Final answer
    x = 4,241.94

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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.