Home / 7,190.89-10,788.93-2,511.59

Finding the Fourth Proportional to 7,190.89, 10,788.93 and 2,511.59

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Solution

The fourth proportional to 7,190.89, 10,788.93 and 2,511.59 is: 3,768.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,190.89 : 10,788.93 = 2,511.59 : x
  2. Step 2: Convert to fraction form
    7,190.89/10,788.93 = 2,511.59/x
  3. Step 3: Cross multiply
    7,190.89x = 10,788.93 × 2,511.59
  4. Step 4: Simplify right side
    7,190.89x = 27,097,368.70
  5. Step 5: Solve for x
    x = 27,097,368.70/7,190.89
  6. Step 6: Final answer
    x = 3,768.29

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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.