Home / 5,575.79-8,363.60-1,680.19

Finding the Fourth Proportional to 5,575.79, 8,363.60 and 1,680.19

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Solution

The fourth proportional to 5,575.79, 8,363.60 and 1,680.19 is: 2,520.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,575.79 : 8,363.60 = 1,680.19 : x
  2. Step 2: Convert to fraction form
    5,575.79/8,363.60 = 1,680.19/x
  3. Step 3: Cross multiply
    5,575.79x = 8,363.60 × 1,680.19
  4. Step 4: Simplify right side
    5,575.79x = 14,052,470.57
  5. Step 5: Solve for x
    x = 14,052,470.57/5,575.79
  6. Step 6: Final answer
    x = 2,520.27

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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.