Home / 7,497.20-11,249.64-3,339.92

Finding the Fourth Proportional to 7,497.20, 11,249.64 and 3,339.92

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Solution

The fourth proportional to 7,497.20, 11,249.64 and 3,339.92 is: 5,011.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,497.20 : 11,249.64 = 3,339.92 : x
  2. Step 2: Convert to fraction form
    7,497.20/11,249.64 = 3,339.92/x
  3. Step 3: Cross multiply
    7,497.20x = 11,249.64 × 3,339.92
  4. Step 4: Simplify right side
    7,497.20x = 37,572,897.63
  5. Step 5: Solve for x
    x = 37,572,897.63/7,497.20
  6. Step 6: Final answer
    x = 5,011.59

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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.