Home / 5,724.87-7,900.56-3,206.91

Finding the Fourth Proportional to 5,724.87, 7,900.56 and 3,206.91

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Solution

The fourth proportional to 5,724.87, 7,900.56 and 3,206.91 is: 4,425.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,724.87 : 7,900.56 = 3,206.91 : x
  2. Step 2: Convert to fraction form
    5,724.87/7,900.56 = 3,206.91/x
  3. Step 3: Cross multiply
    5,724.87x = 7,900.56 × 3,206.91
  4. Step 4: Simplify right side
    5,724.87x = 25,336,384.87
  5. Step 5: Solve for x
    x = 25,336,384.87/5,724.87
  6. Step 6: Final answer
    x = 4,425.67

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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.