Home / 5,407.24-8,110.16-1,709.85

Finding the Fourth Proportional to 5,407.24, 8,110.16 and 1,709.85

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Solution

The fourth proportional to 5,407.24, 8,110.16 and 1,709.85 is: 2,564.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,407.24 : 8,110.16 = 1,709.85 : x
  2. Step 2: Convert to fraction form
    5,407.24/8,110.16 = 1,709.85/x
  3. Step 3: Cross multiply
    5,407.24x = 8,110.16 × 1,709.85
  4. Step 4: Simplify right side
    5,407.24x = 13,867,120.80
  5. Step 5: Solve for x
    x = 13,867,120.80/5,407.24
  6. Step 6: Final answer
    x = 2,564.55

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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.