Home / 5,622.55-8,432.36-1,672.75

Finding the Fourth Proportional to 5,622.55, 8,432.36 and 1,672.75

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Solution

The fourth proportional to 5,622.55, 8,432.36 and 1,672.75 is: 2,508.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,622.55 : 8,432.36 = 1,672.75 : x
  2. Step 2: Convert to fraction form
    5,622.55/8,432.36 = 1,672.75/x
  3. Step 3: Cross multiply
    5,622.55x = 8,432.36 × 1,672.75
  4. Step 4: Simplify right side
    5,622.55x = 14,105,179.66
  5. Step 5: Solve for x
    x = 14,105,179.66/5,622.55
  6. Step 6: Final answer
    x = 2,508.68

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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.