Home / 7,387.44-10,194.28-4,200.32

Finding the Fourth Proportional to 7,387.44, 10,194.28 and 4,200.32

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Solution

The fourth proportional to 7,387.44, 10,194.28 and 4,200.32 is: 5,796.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,387.44 : 10,194.28 = 4,200.32 : x
  2. Step 2: Convert to fraction form
    7,387.44/10,194.28 = 4,200.32/x
  3. Step 3: Cross multiply
    7,387.44x = 10,194.28 × 4,200.32
  4. Step 4: Simplify right side
    7,387.44x = 42,819,238.17
  5. Step 5: Solve for x
    x = 42,819,238.17/7,387.44
  6. Step 6: Final answer
    x = 5,796.22

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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.