Home / 7,361.28-10,149.84-5,589.90

Finding the Fourth Proportional to 7,361.28, 10,149.84 and 5,589.90

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Solution

The fourth proportional to 7,361.28, 10,149.84 and 5,589.90 is: 7,707.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,361.28 : 10,149.84 = 5,589.90 : x
  2. Step 2: Convert to fraction form
    7,361.28/10,149.84 = 5,589.90/x
  3. Step 3: Cross multiply
    7,361.28x = 10,149.84 × 5,589.90
  4. Step 4: Simplify right side
    7,361.28x = 56,736,590.62
  5. Step 5: Solve for x
    x = 56,736,590.62/7,361.28
  6. Step 6: Final answer
    x = 7,707.44

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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.