Home / 7,336.99-10,124.96-3,979.74

Finding the Fourth Proportional to 7,336.99, 10,124.96 and 3,979.74

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Solution

The fourth proportional to 7,336.99, 10,124.96 and 3,979.74 is: 5,491.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,336.99 : 10,124.96 = 3,979.74 : x
  2. Step 2: Convert to fraction form
    7,336.99/10,124.96 = 3,979.74/x
  3. Step 3: Cross multiply
    7,336.99x = 10,124.96 × 3,979.74
  4. Step 4: Simplify right side
    7,336.99x = 40,294,708.31
  5. Step 5: Solve for x
    x = 40,294,708.31/7,336.99
  6. Step 6: Final answer
    x = 5,491.99

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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.