Home / 5,447.04-7,518.50-3,558.90

Finding the Fourth Proportional to 5,447.04, 7,518.50 and 3,558.90

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Solution

The fourth proportional to 5,447.04, 7,518.50 and 3,558.90 is: 4,912.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,447.04 : 7,518.50 = 3,558.90 : x
  2. Step 2: Convert to fraction form
    5,447.04/7,518.50 = 3,558.90/x
  3. Step 3: Cross multiply
    5,447.04x = 7,518.50 × 3,558.90
  4. Step 4: Simplify right side
    5,447.04x = 26,757,589.65
  5. Step 5: Solve for x
    x = 26,757,589.65/5,447.04
  6. Step 6: Final answer
    x = 4,912.32

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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.