Home / 5,370.75-7,409.84-3,246.93

Finding the Fourth Proportional to 5,370.75, 7,409.84 and 3,246.93

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Solution

The fourth proportional to 5,370.75, 7,409.84 and 3,246.93 is: 4,479.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,370.75 : 7,409.84 = 3,246.93 : x
  2. Step 2: Convert to fraction form
    5,370.75/7,409.84 = 3,246.93/x
  3. Step 3: Cross multiply
    5,370.75x = 7,409.84 × 3,246.93
  4. Step 4: Simplify right side
    5,370.75x = 24,059,231.79
  5. Step 5: Solve for x
    x = 24,059,231.79/5,370.75
  6. Step 6: Final answer
    x = 4,479.68

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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.