Home / 5,439.56-8,155.35-1,739.66

Finding the Fourth Proportional to 5,439.56, 8,155.35 and 1,739.66

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Solution

The fourth proportional to 5,439.56, 8,155.35 and 1,739.66 is: 2,608.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,439.56 : 8,155.35 = 1,739.66 : x
  2. Step 2: Convert to fraction form
    5,439.56/8,155.35 = 1,739.66/x
  3. Step 3: Cross multiply
    5,439.56x = 8,155.35 × 1,739.66
  4. Step 4: Simplify right side
    5,439.56x = 14,187,536.18
  5. Step 5: Solve for x
    x = 14,187,536.18/5,439.56
  6. Step 6: Final answer
    x = 2,608.21

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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.