Home / 5,625.60-8,439.72-1,927.68

Finding the Fourth Proportional to 5,625.60, 8,439.72 and 1,927.68

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Solution

The fourth proportional to 5,625.60, 8,439.72 and 1,927.68 is: 2,891.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,625.60 : 8,439.72 = 1,927.68 : x
  2. Step 2: Convert to fraction form
    5,625.60/8,439.72 = 1,927.68/x
  3. Step 3: Cross multiply
    5,625.60x = 8,439.72 × 1,927.68
  4. Step 4: Simplify right side
    5,625.60x = 16,269,079.45
  5. Step 5: Solve for x
    x = 16,269,079.45/5,625.60
  6. Step 6: Final answer
    x = 2,891.97

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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.