Home / 7,336.50-10,124.29-3,979.32

Finding the Fourth Proportional to 7,336.50, 10,124.29 and 3,979.32

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Solution

The fourth proportional to 7,336.50, 10,124.29 and 3,979.32 is: 5,491.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,336.50 : 10,124.29 = 3,979.32 : x
  2. Step 2: Convert to fraction form
    7,336.50/10,124.29 = 3,979.32/x
  3. Step 3: Cross multiply
    7,336.50x = 10,124.29 × 3,979.32
  4. Step 4: Simplify right side
    7,336.50x = 40,287,789.68
  5. Step 5: Solve for x
    x = 40,287,789.68/7,336.50
  6. Step 6: Final answer
    x = 5,491.42

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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.