Home / 7,427.35-10,249.36-4,069.56

Finding the Fourth Proportional to 7,427.35, 10,249.36 and 4,069.56

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Solution

The fourth proportional to 7,427.35, 10,249.36 and 4,069.56 is: 5,615.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,427.35 : 10,249.36 = 4,069.56 : x
  2. Step 2: Convert to fraction form
    7,427.35/10,249.36 = 4,069.56/x
  3. Step 3: Cross multiply
    7,427.35x = 10,249.36 × 4,069.56
  4. Step 4: Simplify right side
    7,427.35x = 41,710,385.48
  5. Step 5: Solve for x
    x = 41,710,385.48/7,427.35
  6. Step 6: Final answer
    x = 5,615.78

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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.