Home / 5,438.82-8,158.77-1,740.12

Finding the Fourth Proportional to 5,438.82, 8,158.77 and 1,740.12

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Solution

The fourth proportional to 5,438.82, 8,158.77 and 1,740.12 is: 2,610.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,438.82 : 8,158.77 = 1,740.12 : x
  2. Step 2: Convert to fraction form
    5,438.82/8,158.77 = 1,740.12/x
  3. Step 3: Cross multiply
    5,438.82x = 8,158.77 × 1,740.12
  4. Step 4: Simplify right side
    5,438.82x = 14,197,238.85
  5. Step 5: Solve for x
    x = 14,197,238.85/5,438.82
  6. Step 6: Final answer
    x = 2,610.35

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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.