Home / 7,336.72-10,124.68-3,979.53

Finding the Fourth Proportional to 7,336.72, 10,124.68 and 3,979.53

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Solution

The fourth proportional to 7,336.72, 10,124.68 and 3,979.53 is: 5,491.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,336.72 : 10,124.68 = 3,979.53 : x
  2. Step 2: Convert to fraction form
    7,336.72/10,124.68 = 3,979.53/x
  3. Step 3: Cross multiply
    7,336.72x = 10,124.68 × 3,979.53
  4. Step 4: Simplify right side
    7,336.72x = 40,291,467.80
  5. Step 5: Solve for x
    x = 40,291,467.80/7,336.72
  6. Step 6: Final answer
    x = 5,491.75

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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.