Home / 7,577.58-11,359.34-3,871.63

Finding the Fourth Proportional to 7,577.58, 11,359.34 and 3,871.63

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Solution

The fourth proportional to 7,577.58, 11,359.34 and 3,871.63 is: 5,803.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,577.58 : 11,359.34 = 3,871.63 : x
  2. Step 2: Convert to fraction form
    7,577.58/11,359.34 = 3,871.63/x
  3. Step 3: Cross multiply
    7,577.58x = 11,359.34 × 3,871.63
  4. Step 4: Simplify right side
    7,577.58x = 43,979,170.88
  5. Step 5: Solve for x
    x = 43,979,170.88/7,577.58
  6. Step 6: Final answer
    x = 5,803.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.