Home / 7,344.12-10,134.84-4,200.36

Finding the Fourth Proportional to 7,344.12, 10,134.84 and 4,200.36

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Solution

The fourth proportional to 7,344.12, 10,134.84 and 4,200.36 is: 5,796.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,344.12 : 10,134.84 = 4,200.36 : x
  2. Step 2: Convert to fraction form
    7,344.12/10,134.84 = 4,200.36/x
  3. Step 3: Cross multiply
    7,344.12x = 10,134.84 × 4,200.36
  4. Step 4: Simplify right side
    7,344.12x = 42,569,976.54
  5. Step 5: Solve for x
    x = 42,569,976.54/7,344.12
  6. Step 6: Final answer
    x = 5,796.47

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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.