Home / 5,369.12-7,409.42-3,011.30

Finding the Fourth Proportional to 5,369.12, 7,409.42 and 3,011.30

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Solution

The fourth proportional to 5,369.12, 7,409.42 and 3,011.30 is: 4,155.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,369.12 : 7,409.42 = 3,011.30 : x
  2. Step 2: Convert to fraction form
    5,369.12/7,409.42 = 3,011.30/x
  3. Step 3: Cross multiply
    5,369.12x = 7,409.42 × 3,011.30
  4. Step 4: Simplify right side
    5,369.12x = 22,311,986.45
  5. Step 5: Solve for x
    x = 22,311,986.45/5,369.12
  6. Step 6: Final answer
    x = 4,155.61

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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.