Home / 7,478.44-11,221.02-5,838.12

Finding the Fourth Proportional to 7,478.44, 11,221.02 and 5,838.12

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Solution

The fourth proportional to 7,478.44, 11,221.02 and 5,838.12 is: 8,759.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,478.44 : 11,221.02 = 5,838.12 : x
  2. Step 2: Convert to fraction form
    7,478.44/11,221.02 = 5,838.12/x
  3. Step 3: Cross multiply
    7,478.44x = 11,221.02 × 5,838.12
  4. Step 4: Simplify right side
    7,478.44x = 65,509,661.28
  5. Step 5: Solve for x
    x = 65,509,661.28/7,478.44
  6. Step 6: Final answer
    x = 8,759.80

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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.