Home / 6,719.67-10,081.54-2,715.00

Finding the Fourth Proportional to 6,719.67, 10,081.54 and 2,715.00

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Solution

The fourth proportional to 6,719.67, 10,081.54 and 2,715.00 is: 4,073.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,719.67 : 10,081.54 = 2,715.00 : x
  2. Step 2: Convert to fraction form
    6,719.67/10,081.54 = 2,715.00/x
  3. Step 3: Cross multiply
    6,719.67x = 10,081.54 × 2,715.00
  4. Step 4: Simplify right side
    6,719.67x = 27,371,323.90
  5. Step 5: Solve for x
    x = 27,371,323.90/6,719.67
  6. Step 6: Final answer
    x = 4,073.32

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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.