Home / 5,150.04-7,107.66-3,159.90

Finding the Fourth Proportional to 5,150.04, 7,107.66 and 3,159.90

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Solution

The fourth proportional to 5,150.04, 7,107.66 and 3,159.90 is: 4,361.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,150.04 : 7,107.66 = 3,159.90 : x
  2. Step 2: Convert to fraction form
    5,150.04/7,107.66 = 3,159.90/x
  3. Step 3: Cross multiply
    5,150.04x = 7,107.66 × 3,159.90
  4. Step 4: Simplify right side
    5,150.04x = 22,459,494.83
  5. Step 5: Solve for x
    x = 22,459,494.83/5,150.04
  6. Step 6: Final answer
    x = 4,361.03

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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.