Home / 5,424.15-8,137.35-1,725.90

Finding the Fourth Proportional to 5,424.15, 8,137.35 and 1,725.90

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Solution

The fourth proportional to 5,424.15, 8,137.35 and 1,725.90 is: 2,589.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,424.15 : 8,137.35 = 1,725.90 : x
  2. Step 2: Convert to fraction form
    5,424.15/8,137.35 = 1,725.90/x
  3. Step 3: Cross multiply
    5,424.15x = 8,137.35 × 1,725.90
  4. Step 4: Simplify right side
    5,424.15x = 14,044,252.37
  5. Step 5: Solve for x
    x = 14,044,252.37/5,424.15
  6. Step 6: Final answer
    x = 2,589.21

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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.