Home / 6,719.90-10,079.87-2,039.95

Finding the Fourth Proportional to 6,719.90, 10,079.87 and 2,039.95

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Solution

The fourth proportional to 6,719.90, 10,079.87 and 2,039.95 is: 3,059.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,719.90 : 10,079.87 = 2,039.95 : x
  2. Step 2: Convert to fraction form
    6,719.90/10,079.87 = 2,039.95/x
  3. Step 3: Cross multiply
    6,719.90x = 10,079.87 × 2,039.95
  4. Step 4: Simplify right side
    6,719.90x = 20,562,410.71
  5. Step 5: Solve for x
    x = 20,562,410.71/6,719.90
  6. Step 6: Final answer
    x = 3,059.93

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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.