Home / 7,382.37-11,074.19-2,117.40

Finding the Fourth Proportional to 7,382.37, 11,074.19 and 2,117.40

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Solution

The fourth proportional to 7,382.37, 11,074.19 and 2,117.40 is: 3,176.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,382.37 : 11,074.19 = 2,117.40 : x
  2. Step 2: Convert to fraction form
    7,382.37/11,074.19 = 2,117.40/x
  3. Step 3: Cross multiply
    7,382.37x = 11,074.19 × 2,117.40
  4. Step 4: Simplify right side
    7,382.37x = 23,448,489.91
  5. Step 5: Solve for x
    x = 23,448,489.91/7,382.37
  6. Step 6: Final answer
    x = 3,176.28

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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.