Home / 6,719.87-9,273.15-3,735.76

Finding the Fourth Proportional to 6,719.87, 9,273.15 and 3,735.76

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Solution

The fourth proportional to 6,719.87, 9,273.15 and 3,735.76 is: 5,155.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,719.87 : 9,273.15 = 3,735.76 : x
  2. Step 2: Convert to fraction form
    6,719.87/9,273.15 = 3,735.76/x
  3. Step 3: Cross multiply
    6,719.87x = 9,273.15 × 3,735.76
  4. Step 4: Simplify right side
    6,719.87x = 34,642,262.84
  5. Step 5: Solve for x
    x = 34,642,262.84/6,719.87
  6. Step 6: Final answer
    x = 5,155.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.