Home / 7,336.21-10,124.01-3,979.09

Finding the Fourth Proportional to 7,336.21, 10,124.01 and 3,979.09

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Solution

The fourth proportional to 7,336.21, 10,124.01 and 3,979.09 is: 5,491.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,336.21 : 10,124.01 = 3,979.09 : x
  2. Step 2: Convert to fraction form
    7,336.21/10,124.01 = 3,979.09/x
  3. Step 3: Cross multiply
    7,336.21x = 10,124.01 × 3,979.09
  4. Step 4: Simplify right side
    7,336.21x = 40,284,346.95
  5. Step 5: Solve for x
    x = 40,284,346.95/7,336.21
  6. Step 6: Final answer
    x = 5,491.17

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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.