Home / 5,439.12-8,158.26-1,740.36

Finding the Fourth Proportional to 5,439.12, 8,158.26 and 1,740.36

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Solution

The fourth proportional to 5,439.12, 8,158.26 and 1,740.36 is: 2,610.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,439.12 : 8,158.26 = 1,740.36 : x
  2. Step 2: Convert to fraction form
    5,439.12/8,158.26 = 1,740.36/x
  3. Step 3: Cross multiply
    5,439.12x = 8,158.26 × 1,740.36
  4. Step 4: Simplify right side
    5,439.12x = 14,198,309.37
  5. Step 5: Solve for x
    x = 14,198,309.37/5,439.12
  6. Step 6: Final answer
    x = 2,610.41

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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.