Home / 5,406.56-8,110.30-1,707.80

Finding the Fourth Proportional to 5,406.56, 8,110.30 and 1,707.80

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Solution

The fourth proportional to 5,406.56, 8,110.30 and 1,707.80 is: 2,561.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,406.56 : 8,110.30 = 1,707.80 : x
  2. Step 2: Convert to fraction form
    5,406.56/8,110.30 = 1,707.80/x
  3. Step 3: Cross multiply
    5,406.56x = 8,110.30 × 1,707.80
  4. Step 4: Simplify right side
    5,406.56x = 13,850,770.34
  5. Step 5: Solve for x
    x = 13,850,770.34/5,406.56
  6. Step 6: Final answer
    x = 2,561.85

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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.