Home / 7,990.58-11,985.87-2,795.24

Finding the Fourth Proportional to 7,990.58, 11,985.87 and 2,795.24

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Solution

The fourth proportional to 7,990.58, 11,985.87 and 2,795.24 is: 4,192.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,990.58 : 11,985.87 = 2,795.24 : x
  2. Step 2: Convert to fraction form
    7,990.58/11,985.87 = 2,795.24/x
  3. Step 3: Cross multiply
    7,990.58x = 11,985.87 × 2,795.24
  4. Step 4: Simplify right side
    7,990.58x = 33,503,423.71
  5. Step 5: Solve for x
    x = 33,503,423.71/7,990.58
  6. Step 6: Final answer
    x = 4,192.86

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Similar ratio
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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.