Home / 5,100.96-7,040.88-4,409.76

Finding the Fourth Proportional to 5,100.96, 7,040.88 and 4,409.76

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Solution

The fourth proportional to 5,100.96, 7,040.88 and 4,409.76 is: 6,086.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,100.96 : 7,040.88 = 4,409.76 : x
  2. Step 2: Convert to fraction form
    5,100.96/7,040.88 = 4,409.76/x
  3. Step 3: Cross multiply
    5,100.96x = 7,040.88 × 4,409.76
  4. Step 4: Simplify right side
    5,100.96x = 31,048,590.99
  5. Step 5: Solve for x
    x = 31,048,590.99/5,100.96
  6. Step 6: Final answer
    x = 6,086.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.