Home / 5,147.37-7,724.13-2,225.67

Finding the Fourth Proportional to 5,147.37, 7,724.13 and 2,225.67

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Solution

The fourth proportional to 5,147.37, 7,724.13 and 2,225.67 is: 3,339.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,147.37 : 7,724.13 = 2,225.67 : x
  2. Step 2: Convert to fraction form
    5,147.37/7,724.13 = 2,225.67/x
  3. Step 3: Cross multiply
    5,147.37x = 7,724.13 × 2,225.67
  4. Step 4: Simplify right side
    5,147.37x = 17,191,364.42
  5. Step 5: Solve for x
    x = 17,191,364.42/5,147.37
  6. Step 6: Final answer
    x = 3,339.83

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1.5x scale

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.