Home / 7,437.60-11,143.44-3,682.08

Finding the Fourth Proportional to 7,437.60, 11,143.44 and 3,682.08

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Solution

The fourth proportional to 7,437.60, 11,143.44 and 3,682.08 is: 5,516.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,437.60 : 11,143.44 = 3,682.08 : x
  2. Step 2: Convert to fraction form
    7,437.60/11,143.44 = 3,682.08/x
  3. Step 3: Cross multiply
    7,437.60x = 11,143.44 × 3,682.08
  4. Step 4: Simplify right side
    7,437.60x = 41,031,037.56
  5. Step 5: Solve for x
    x = 41,031,037.56/7,437.60
  6. Step 6: Final answer
    x = 5,516.70

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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.