Home / 7,427.58-11,134.04-3,534.72

Finding the Fourth Proportional to 7,427.58, 11,134.04 and 3,534.72

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Solution

The fourth proportional to 7,427.58, 11,134.04 and 3,534.72 is: 5,298.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,427.58 : 11,134.04 = 3,534.72 : x
  2. Step 2: Convert to fraction form
    7,427.58/11,134.04 = 3,534.72/x
  3. Step 3: Cross multiply
    7,427.58x = 11,134.04 × 3,534.72
  4. Step 4: Simplify right side
    7,427.58x = 39,355,713.87
  5. Step 5: Solve for x
    x = 39,355,713.87/7,427.58
  6. Step 6: Final answer
    x = 5,298.59

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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.