Home / 7,719.01-11,576.10-2,788

Finding the Fourth Proportional to 7,719.01, 11,576.10 and 2,788

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Solution

The fourth proportional to 7,719.01, 11,576.10 and 2,788 is: 4,181.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,719.01 : 11,576.10 = 2,788 : x
  2. Step 2: Convert to fraction form
    7,719.01/11,576.10 = 2,788/x
  3. Step 3: Cross multiply
    7,719.01x = 11,576.10 × 2,788
  4. Step 4: Simplify right side
    7,719.01x = 32,274,166.80
  5. Step 5: Solve for x
    x = 32,274,166.80/7,719.01
  6. Step 6: Final answer
    x = 4,181.13

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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.