Home / 7,619.44-11,397.54-7,152.88

Finding the Fourth Proportional to 7,619.44, 11,397.54 and 7,152.88

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Solution

The fourth proportional to 7,619.44, 11,397.54 and 7,152.88 is: 10,699.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,619.44 : 11,397.54 = 7,152.88 : x
  2. Step 2: Convert to fraction form
    7,619.44/11,397.54 = 7,152.88/x
  3. Step 3: Cross multiply
    7,619.44x = 11,397.54 × 7,152.88
  4. Step 4: Simplify right side
    7,619.44x = 81,525,235.92
  5. Step 5: Solve for x
    x = 81,525,235.92/7,619.44
  6. Step 6: Final answer
    x = 10,699.64

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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.