Home / 5,203.32-7,178.40-3,107.04

Finding the Fourth Proportional to 5,203.32, 7,178.40 and 3,107.04

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Solution

The fourth proportional to 5,203.32, 7,178.40 and 3,107.04 is: 4,286.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,203.32 : 7,178.40 = 3,107.04 : x
  2. Step 2: Convert to fraction form
    5,203.32/7,178.40 = 3,107.04/x
  3. Step 3: Cross multiply
    5,203.32x = 7,178.40 × 3,107.04
  4. Step 4: Simplify right side
    5,203.32x = 22,303,575.94
  5. Step 5: Solve for x
    x = 22,303,575.94/5,203.32
  6. Step 6: Final answer
    x = 4,286.41

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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.